Consider the two triangles shown. which statement is true

Find step-by-step Precalculus solutions and your answer to the following textbook question: Triangle JKL is transformed to create triangle J'K'L'. The angles in both triangles are shown. Angle J = 90°, Angle J' = 90° Angle K = 65°, Angle K' = 65° Angle L = 25°, Angle L' = 25° Which statement is true about this transformation? A) It is a rigid transformation because the pre-image and ...

The answer is D. The triangles have proportional sides (the triangle on the left has sides that are 4 times that of the triangle on the left). Since the triangles have …Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points.Dec 15, 2018 · Answer: The true statement is UV < US < SR ⇒ 1st statement. Step-by-step explanation: "I have added screenshot of the complete question as well as the. diagram". * Lets revise the hinge theorem. - If two sides of one triangle are congruent to two sides of another. triangle, and the measure of the included angle between these two. Which statements can be concluded from the diagram and used to prove that the triangles are similar by the SAS similarity theorem? A. Given: AB ∥ DE. Prove: ACB ~ DCE. We are given AB ∥ DE. Because the lines are parallel and segment CB crosses both lines, we can consider segment CB a transversal of the parallel lines.Step-by-step explanation: Consider the two triangles shown. Which statement is true? The given sides and angles can be used to show similarity by both the SSS and SAS …

Consider the triangle. The measures of the angles of the triangle are 32°, 53°, 95°. Based on the side lengths, what are the measures of each angle? m<A = 32°, m<B = 53°, m<C = 95°. Study with Quizlet and memorize flashcards containing terms like Jamel is asked to create triangles using three of four given sticks.A triangle is a three sided figure. The figures are not shown here. However, two triangle may be regarded as similar or congruent by the following conditions; 1) Side angle side ( SAS) 2) Side side side ( SSS) 3) Angle Angle side ( AAS) Since the triagles are not shown here, the similarity of the triangles can not be established.A closed polygon made of three line segments forming three angles is known as a Triangle. Two triangles are said to be congruent if their sides have the same length and angles have same measure. Thus, two triangles can be superimposed side to side and angle to angle. In the above figure, Δ ABC and Δ PQR are congruent triangles.Two triangles are congruent if they are exactly the same size and shape. In congruent triangles, the measures of corresponding angles and the lengths of corresponding sides are equal. Consider the two triangles shown below: Since both and are right angles, these triangles are right triangles. Let’s call these two triangles and . These ...Solution: We are given the value of one of the angles, so we can find the value of the other acute angle of the right triangle by subtracting from 90 degrees. angle φ = 90 - θ = 90 - 25 = 65°. Now we can use a trigonometric function of one of the angles to compute the length of one of the unknown sides. (Use a calculator to find the ...Sep 27, 2022 · Two triangles are congruent if they are exactly the same size and shape. In congruent triangles, the measures of corresponding angles and the lengths of corresponding sides are equal. Consider the two triangles shown below: Since both ∠B ∠ B and ∠E ∠ E are right angles, these triangles are right triangles. Therefore, with the given congruence relationship, a true statement would be that ∠A ≅ ∠X, ∠B ≅ ∠Y, and Line BC ≅ Line YZ. The concept of vector components is also relevant here. In a right triangle, the Ax and Ay represent the separate components of a vector , following the concept of Pythagorean theorem, Ax² + Ay² = A² where ...10 Multiple choice questions. Term. If the two legs of one right triangle are congruent to the two legs of another right triangle, then the two triangles are congruent. True. False. 1 of 10. Term. If two right triangles have congruent hypotenuses, then the two triangles are congruent by the Hypotenuse-Angle Congruence Theorem.

ASA (angle-side-angle): If two pairs of angles of two triangles are equal in measurement, and the included sides are equal in length, then the triangles are congruent. The ASA postulate was contributed by Thales of Miletus (Greek). In most systems of axioms, the three criteria - SAS, SSS and ASA - are established as theorems.Hence, (ii) statement is true. 4. Line-segments AB and CD bisect each other at O. AC and BD are joined forming triangles AOC and BOD. State the three equality relations between the parts of the two triangles that are given or otherwise known. Are the two triangles congruent? State in symbolic form, which congruence condition do you use? Solution:Volume and Surface Area Questions & Answers for Bank Exams : Consider the following two triangles as shown in the figure below. Choose the correct statement for the above situation.Interestingly, each of the other triangle congruence conditions can be shown to be true by either ASA ≅ or SAS ≅. Finish proving these three remaining conditions by answering the questions below. a. For the SSS ≅ condition, start with two triangles that have three pairs of congruent sides and explain why the triangles must be congruent.0.6 of 1. 1. given. 2. opposite sides of parallelograms are congruent. 3. consecutive sides of a parallelogram are congruent. 4. substitution property of congruence. 5. definition of rhombus. use the diagram and information to answer the question. given: ab∥cd m∠a = 104, m∠b = 76. prove: quadrilateral abcd is a parallelogram.

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Two triangles are congruent if they are exactly the same size and shape. In congruent triangles, the measures of corresponding angles and the lengths of corresponding sides are equal. Consider the two triangles shown below: Since both ∠B and ∠E are right angles, these triangles are right triangles. Let's call these two triangles ∆ABC ...We can tell which sides correspond from the similarity statement. For example, if \(\triangle ABC \sim \triangle DEF\), then side \(AB\) corresponds to side \(DE\) because both are the first two letters. \(BC\) corresponds to \(EF\) because both are the last two letters, \(AC\) corresponds to \(DF\) because both consist of the first and last ...AA similarity theorem. Consider the two triangles. To prove that the triangles are similar by the SSS similarity theorem, it needs to be shown that. AB = 25 and HG = 15. Triangle TVW is dilated according to the rule. DO 3/4, (x,y) -> (3/4x 3/4y) to create the image triangle T'V'W', which is not shown.Study with Quizlet and memorize flashcards containing terms like In the triangles, HG = MP and GK = PN. Which statement about the sides and angles is true?, A composition of transformations maps ΔKLM to ΔK"L"M". The first transformation for this composition is [________], and the second transformation is a translation down and to the right., Point Z is the circumcenter of triangle T U V ...

Triangle ABC was dilated with the origin as the center of dilation to create triangle AB'C Which statement about triangle A'B'C' appears to be true? A. The side lengths of triangle A'B'C are each 1/3 the corresponding side lengths of triangle ABC, and the angle measures of triangles A'B'C' are the same as the measures of the ...what the answer to this question. Transcribed Image Text: ment Select all of the true statements: (Select all that apply.) 1. Select all statements that are true about the triangles. Triangles ABC and DCB are congruent by the Angle-Angle Triangle Congruence Theorem. O Triangles ABC and BCD are congruent by the Angle-Side- Angle Triangle ...A right triangle has one 90° angle. The Pythagorean Theorem In any right triangle, a2 +b2 = c2 where c is the length of the hypotenuse and a and b are the lengths of the legs. Properties of Rectangles. Rectangles have four sides and four right (90°) angles. The lengths of opposite sides are equal.In triangle LNM, the side opposite angle L is NM, so the statement "The side opposite ∠L is NM" is true. In triangle LNM, the side opposite angle N is ML, so the statement "The side opposite ∠N is ML" is true. The hypotenuse of triangle LNM is LN, not NM, so the statement "The hypotenuse is NM" is false.Study with Quizlet and memorize flashcards containing terms like Consider LNM. Which statements are true for triangle LNM? Check all that apply., Identify the triangle that contains an acute angle for which the sine and cosine ratios are equal., What are the values of the three trigonometric ratios for angle L, in simplest form? sin(L) = cos(L) = tan(L) = and more.Answer: C. Angles I and L are congruent. Explanation: When writing similar statements, the order of the letters is extremely important, this is because, in similar triangles: 1- corresponding angles are congruent (equal). 2- corresponding sides are proportional. Now, we are given that:Serena Crowley. a year ago. Definition: Triangles are congruent when all corresponding sides and interior angles are congruent. The triangles will have the same shape and size, but one may be a mirror image of the other. One way to think about triangle congruence is to imagine they are made of cardboard.The value of x that will make the triangles similar by SSS similarity theorem is;. x = 77. We are told that the 2 triangles are similar by SSS theorem. Now, SSS means Side - Side -Side and it is a congruence theorem which states that the 3 corresponding sides of two triangles have same ratio, then we can say that the two triangles are congruent by SSS theoremQ: Consider the two triangles shown below. 49 64 699 78° 53° 47 Note: The triangles are not drawn to… A: The objective is to select the correct option Q: Determine if the two triangles are congruent. they are, state how you know.Which fact would be necessary in the proof? A: The sum of the measures of the interior angles of a triangle is 180°. Geometry. 4.8 (25 reviews) Q: The composition DO,0.75 (x,y) ∘ DO,2 (x,y) is applied to LMN to create L''M''N''. Which statements must be true regarding the two triangles? Check all that apply.

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The similarity of the constructed triangles is proved by the AA similarity criteria. We only need to check if the corresponding angles are equal for two triangles to be similar. In both the figures given below, all of the respective sides are equal and all interior angles are 90∘. The figures shown below are similar. State whether true or false.In Euclidean geometry, if two angles and a side of one triangle are equal to two angles and a side of another triangle, then the two triangles are congruent. This is known as the angle-side-angle (ASA) congruence criterion. In this case, both triangles have a side length of 5 units and a side length of 7 units, and they share an angle of 117 ...If two triangles have corresponding sides and included angles that are congruent, then the triangles are congruent. Vertex of an Angle. A corner point of an angle. For an angle, the vertex is where the two rays making up the angle meet. Corresponding Sides.Consider the two right triangles ABC and DEF in the image given below. Their corresponding sides are shown in the same color. In the given two right triangles, the hypotenuse and one leg is congruent with the hypotenuse and leg of the other right triangle. Therefore, the two right triangles are similar, and their corresponding sides are ...Example: these two triangles are similar: If two of their angles are equal, then the third angle must also be equal, because angles of a triangle always add to make 180°. In this case the missing angle is 180° − (72° + 35°) = 73°. So AA could also be called AAA (because when two angles are equal, all three angles must be equal).Two triangles are congruent if they are exactly the same size and shape. In congruent triangles, the measures of corresponding angles and the lengths of corresponding sides are equal. Consider the two triangles shown below: Since both ∠B and ∠E are right angles, these triangles are right triangles. Let’s call these two …To prove that the triangles are similar by the SAS similarity theorem, it needs to be proven that. angle I measures 60°. What value of x will make the triangles similar by the SSS similarity theorem? 77. Below are statements that can be used to prove that the triangles are similar. 1. 2. ∠B and ∠Y are right angles.Triangles has the following rule: a + b > c. where c is the length of the bigger side and a and b is the length of the other sides. If you form a triangle from two congruent wooden dowels, then you will have that the sum of the length of the two lesser sider is equal to the longer sides, violating the rule established before.

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Which description is true about the transformation shown? ... Which statements are true about triangle ABC and its translated image, A'B'C'? Select two options. The rule for the translation can be written as T3, -5(x, y). Triangle ABC has been translated 3 units to the right and 5 units down.The proof that ABC ~ AYX is shown. Which statement and reason are missing in the proof? ... Which diagram shows lines that must be parallel lines cut by a transversal? D. Triangle PQR was dilated according to the rule DO,2(x,y)to(2x,2y) to create similar triangle P'Q'Q. Which statements are true? Select two options. ∠R corresponds to ∠P'QQ ...AA similarity theorem. Consider the two triangles. To prove that the triangles are similar by the SSS similarity theorem, it needs to be shown that. AB = 25 and HG = 15. Triangle TVW is dilated according to the rule. DO 3/4, (x,y) -> (3/4x 3/4y) to create the image triangle T'V'W', which is not shown.What are congruent triangles and right triangle? Two triangles are congruent triangles if they are of same size and shape. Right triangle is a triangle with one of angle 90°. The given triangles of green, orange and gray triangles are of same shape and size . Therefore we can say that they are congruent trianglesDec 15, 2018 · Answer: The true statement is UV < US < SR ⇒ 1st statement. Step-by-step explanation: "I have added screenshot of the complete question as well as the. diagram". * Lets revise the hinge theorem. - If two sides of one triangle are congruent to two sides of another. triangle, and the measure of the included angle between these two. Triangle L M N is shown. Angle L M N is a right angle. Angles N L M and L M N are 45 degrees. The length of L N is x. Which statements are true regarding triangle LMN? Check all that apply. NM = x NM = LM = x StartRoot 2 EndRoot tan(45°) = StartFraction StartRoot 2 EndRoot Over 2 EndFraction tan(45°) = 1I can't find anything here about ambiguous triangles. What if a question asks you to solve from a description where two triangles exist? Like "Determine the unknown side and angles in each triangle, if two solutions are possible, give both: In triangle ABC, <C = 31, a = 5.6, and c = 3.9."There are three accepted methods for proving triangles similar: AA. To prove two triangles are similar, it is sufficient to show that two angles of one triangle are congruent to the two corresponding angles of the other triangle. If two angles of one triangle are congruent to the corresponding angles of another triangle, the triangles are ...The two trianges in the following figure are congruent. What is m∠B? Click the card to flip 👆 ... The triangles below are congruent. Which of the following statements must be true? ∆SXF≅∆GXT. Given the diagram, which of the following must be true? 100° ...The question as well as the accurate diagram is shown in the attachment below. To determine which statements are true for triangle LNM, we will observe each of the options one after the other. For the first option - [] The side opposite ∠L is NM; In the diagram, the side opposite angle L is side NM. ∴ The statement "The side opposite ∠L ...The HL Postulate says that if you have two right triangles with the hypotenuse and 1 leg of equal lengths then the triangles are congruent. This is true for all right triangles. Also, if you think about this it is very similar to the SSS postulate since due to the Pythagorean theorem (a^2 + b^2 = c^2) if we ever know 2 sides of a right triangle ... ….

The four standard congruence tests for triangles. Two triangles are congruent if: SSS: the three sides of one triangle are respectively equal to the three sides of the other triangle, or SAS: two sides and the included angle of one triangle are respectively equal to two sides and the included angle of the other triangle, or AAS: two angles and one side of one triangle are respectively equal to ...Angles HFG and KLJ are congruent. The length of side FG is 32, and the length of side JL is 8. The length of side HG is 48 and the length of side KJ is 12. The …Triangle JKL is isosceles. The measure of angle J is 72° and the measure of angle K is 36°. Which statement describes angle L? Angle L is a base angle and measures 72°. A regular pentagon is created using the bases of five congruent isosceles triangles, joined at a common vertex. The total number of degrees in the center is 360°.Step-by-step explanation. If Δ ABC ≅ Δ LMN then by virtue of similar congruent triangle we have; ∠A ≅ ∠L. ∠B ≅ ∠M. ∠C ≅ ∠N. AB ≅ LM. BC ≅ M N. C A ≅ N L. I am sure of these is in the choices so chose it since we are asked which of the following is a true statement?To prove the triangles similar by the SAS similarity theorem, we need to confirm two ratios are equal and that the included angles are congruent. Given that angles ∠U ≅ ∠X, ∠V ≅ ∠Y, and ∠W ≅ ∠Z, we examine the triangle side ratios provided: ∠U ≅ ∠X: Corresponding sides are UV = 50 and XY = 40, UW = 40 and XZ = 32.Consider the two triangles. Triangles A B C and T R S are shown. Sides A C and T S are congruent. ... If RT is greater than BA, which statement is true? By the ... Identify m∠C in the triangle shown. 21°. Which of the following pairs of triangles can be proven congruent by ASA? angle A-> angle W, line AC -> line WY, angle C -> angle Y. Determine the value of x in the figure. x = 3. Based on the markings of the two triangles, what statement could be made about ΔABC and ΔA′B′C′? ΔABC and ΔA′B ... Match each statement in the proof with the correct reason. 1. ¯AC¯≅¯AD¯ ¯AB¯ bisects¯CD¯: Given. 2. ¯BC¯≅¯BD¯: Definition of Bisect. 3. ¯AB¯≅¯AB¯: Reflexive Property of Congruence. 4. ABC≅ ABD: SSS Congruence Postulate. workbook 9.3. use SSS in problem solving. Use the following triangles to complete the sentence ...Given: ΔMNQ is isosceles with base MQ, and NR and MQ bisect each other at S. Prove: ΔMNS ≅ ΔQNS. We know that ΔMNQ is isosceles with base MQ. So, MN ≅ QN by the definition of isosceles triangle. The base angles of the isosceles triangle, ∠NMS and ∠NQS, are congruent by the isosceles triangle theorem. It is also given that NR and MQ ... Consider the two triangles shown. which statement is true, And also, in both triangles-- so I'm looking at triangle CBD and triangle CAE-- they both share this angle up here. Once again, we could have stopped at two angles, but we've actually shown that all three angles of these two triangles, all three of the corresponding angles, are congruent to each other., To find the scale factor of two triangles, follow these steps: Check that both triangles are similar. If they are similar, identify the corresponding sides of the triangles. Take any known side of the scaled triangle, and divide it by its corresponding (and known) side of the second triangle. The result is the division equals the scale factor., Study with Quizlet and memorize flashcards containing terms like Looking at ΔDEF, which statement below is true?, Find the value of x., The measures of two of the sides of an equilateral triangle are 3x+15 in. and 7x-5 in. What is the measures o the third side in inches? and more., Whether you have three sides of a triangle given, two sides and an angle or just two angles, this tool is a solution to your geometry problems. Below you'll also find the explanation of fundamental laws concerning triangle angles: triangle angle sum theorem, triangle exterior angle theorem, and angle bisector theorem., Consider the two triangles shown. Triangles F H G and L K J are shown. Angles H F G and K L J are congruent. The length of side F G is 32 and the length of side J L is 8. The length of side H G is 48 and the length of side K J is 12. The length of side H F is 36 and the length of side K L is 9. Which statement is true?, 0.6 of 1. 1. given. 2. opposite sides of parallelograms are congruent. 3. consecutive sides of a parallelogram are congruent. 4. substitution property of congruence. 5. definition of rhombus. use the diagram and information to answer the question. given: ab∥cd m∠a = 104, m∠b = 76. prove: quadrilateral abcd is a parallelogram., Triangles FHG and LKJ . Angles HFG and KLJ are congruent. length of side FG is 32. length of side JL is 8. length of side HG is 48 . length of side KJ is 12. length of side HF is 36. length of side KL is 9. To find, The true statement from the given . Solution, We have got all the sides of both the triangles and one angle from both triangles., Triangle XYZ is transformed to form triangle JKL. After the transformation, the corresponding sides and angles of the triangles are congruent, as shown. Sdes Andes Which statement is true? O The two triangles are congruent and were transformed using only rigid motions. O The two triangles are congruent but were not transformed using …, The true statement, given the congruence of angles RQS and QSP in similar scalene triangles, is that ∆RSQ corresponds to ∆QPS. the correct answer is B. ∆RSQ corresponds to ∆QPS. The question states that two scalene triangles are similar, and that ∆RQS ≅ ∆QSP., Consider the two triangles shown. Which statement is true? The given sides and angles cannot be used to show similarity by either the SSS or SAS similarity theorems. sqrt(x) The given sides and angles can be used to show similarity by the SSS similarity theorem only. , Unit test. Test your understanding of Congruence with these NaN questions. Start test. Learn what it means for two figures to be congruent, and how to determine whether two figures are congruent or not. Use this immensely important concept to prove various geometric theorems about triangles and parallelograms., The idea is simple. Similarity requires two triangles (or any geometric figures) to have exactly the same shape. They may or may not have the same size. Congruency, on the other hand, requires them to have exactly the same shape and size. So if two triangles are congruent, they must be similar too. But the converse is not true., Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points., Triangle JKL is isosceles. The measure of angle J is 72° and the measure of angle K is 36°. Which statement describes angle L? Angle L is a base angle and measures 72°. A regular pentagon is created using the bases of five congruent isosceles triangles, joined at a common vertex. The total number of degrees in the center is 360°., To prove that the triangles are similar by the SAS similarity theorem, it needs to be proven that. angle I measures 60°. What value of x will make the triangles similar by the SSS similarity theorem? 77. Below are statements that can be used to prove that the triangles are similar. 1. 2. ∠B and ∠Y are right angles., 13 Multiple choice questions. Term. Consider the triangle. Triangle A B C is shown. Side A B has a length of 22, side B C has a length of 16, and side C A has a length of 12. Which shows the order of the angles from smallest to largest? C: mAngleC > mAngleA > mAngleB. B: angle B, angle A, angle C. B: at the mall., Question: Consider the congruent triangles below.\\n8 10 11 a b c\\nTwo triangles are shown side by side.\\n\\\\geotriangle A B C has vertices A on the bottom left, B on the bottom right, and C on the top.\\n\\\\angle A is marked with two arcs, \\\\angle B is marked with one arc, and \\\\angle C is unmarked.\\nThe side opposite \\\\angle A is labeled 10, the side, Two triangles are congruent if they are exactly the same size and shape. In congruent triangles, the measures of corresponding angles and the lengths of corresponding sides are equal. Consider the two triangles shown below: Since both ∠B and ∠E are right angles, these triangles are right triangles. Let’s call these two triangles ∆ABC ..., This means that statement 1) The corresponding angles in the triangles are congruent is true because similar triangles always have the same angles. Statement 2) The corresponding side lengths in the triangles are proportional is also true, as similarity is defined by proportional sides related to their corresponding angles., The SSS similarity criterion says that two triangles are similar if their three corresponding side lengths are in the same ratio. That is, if one triangle has side lengths a, b, c, and the other has side lengths A, B, C, then the triangles are similar if A/a=B/b=C/c., In the context of triangles, 'sample means' can refer to the average lengths or angles of the sides and corners of two distinctly studied triangles. This information can help to demonstrate congruence if these means are equal. Therefore, the true statements about additional information needed to prove that triangles are congruent are B., Two triangles are said to be similar if they have the same shape and the ratio of their corresponding sides are in the same proportion. It should be noted that, corresponding angles are congruent. Thus, we conclude that triangle ABC and triangle QPR are similar triangle based on the side-angle-side similarity theorem., A. AAS. Two angles and the non-included side of one triangle are congruent to the corresponding parts of another triangle. Which congruence theorem can be used to prove that the triangles are congruent? B. AAS. Two sides and the included angle of one triangle are congruent to the corresponding parts of another triangle., To prove that the triangles are similar by the SAS similarity theorem, it needs to be proven that. angle I measures 60°. What value of x will make the triangles similar by the SSS similarity theorem? 77. Below are statements that can be used to prove that the triangles are similar. 1. 2. ∠B and ∠Y are right angles., A. AAS. Two angles and the non-included side of one triangle are congruent to the corresponding parts of another triangle. Which congruence theorem can be used to prove that the triangles are congruent? B. AAS. Two sides and the included angle of one triangle are congruent to the corresponding parts of another triangle., Which statements are true regarding the sides and angles of the triangle? Select three options. Angle X is the largest angle. Angle Z is greater than angle Y. is the shortest side. Which statement is true regarding triangle TUV? Angle T is the smallest angle. Angle V is the smallest angle. Angles U and V must be equal., where a a and b b are two sides (legs) of a right triangle and c c is the hypotenuse, as shown in Figure 10.138. Figure 10.138 Pythagorean Right Triangle For example, given that side a = 6 , a = 6 , and side b = 8 , b = 8 , we can find the measure of side c c using the Pythagorean Theorem., Study with Quizlet and memorize flashcards containing terms like If the two legs of one right triangle are congruent to the two legs of another right triangle, then the two triangles are congruent., If two right triangles have congruent hypotenuses, then the two triangles are congruent by the Hypotenuse-Angle Congruence Theorem., Which postulate or theorem can be used to prove the triangles ..., Which of the following similarity statements about the triangles in the figure is true? MON~MPO~OPN. Find the geometric mean of 4 and 10. 2/10. Find the geometric mean of 3 and 48. 12. Find the geometric mean of 5 and 125. 25. Suppose the altitude to the hypotenuse of a right triangle bisects the hypotenuse., First, consider the case whereℓand n are horizontal. Because all horizontal lines are parallel and have a slope of 0, the statement is true for horizontal lines. For the case of nonhorizontal, nonvertical lines, draw two such parallel lines,ℓand n, and label their x-intercepts A and D, respectively. Draw a vertical segment BC — parallel n, Both Triangle A and Triangle B display the same angles and side length, which means they are congruent. Therefore, the statement is true. The question refers to two triangles, Triangle A and Triangle B, both showing angles of 60°, 61° and a side of 12 units. If all corresponding angles and sides are congruent between two triangles,, The area of an equilateral triangle with side length s is s²√3/4. Since we know the areas of these triangles, we can solve for their side lengths: s²√3/4=9√3. s²/4=9. s²=36. s=6. So the triangles have sides of length 6. And when follow a diameter of the circumcircle, we trace two sides of equilateral triangles., The answer is D. The triangles have proportional sides (the triangle on the left has sides that are 4 times that of the triangle on the left). Since the triangles have proportional sides, the angles given will also be equal. Thus, we can show their similarity through both the SSS and SAS similarities. arrow right.