# Lesson 7 2 reteach ratios in similar polygons answer key

Displaying top 8 worksheets found for - Ratios In Similar Polygons Reteach. Some of the worksheets for this concept are Reteach, Reteach, 7 2 similar polygons answers pdf, 7 using similar polygons, Similar polygons and transformation answer key, Reteach, Ratios rates unit rates, Lesson practice b 7 1 ratio and proportion.

19. x, x 2 8, 40; right 20. x 1 2, x 1 3, 29; acute In Exercises 21 and 22, use the diagram and the following information. Roof The roof shown in the diagram at the right is shown from the front of the house.

and problems for the concept exercises in each lesson.The exercises are designed to aid ... 4-1 Ratios and Rates ... 4-7 Similar Polygons ...

The polygons in each pair are similar. 15) 8 x − 2 42 63 49 49 7 16) x − 2 27 18 12 36 36 24 11 17) 30 6x − 6 42 35 63 49 10 18) 16 2x + 4 35 40 35 45 7 19) 3x + 11 A 42 B scale factor from A to B = 5 : 6 8 20) 30 A 3x B scale factor from A to B = 5 : 6 12 21) 14 A 8x − 7 B scale factor from A to B = 2 : 7 7 22) 48 A 8x B scale factor ...

7.1 Ratios and Proportions ... 7.2 Similar Polygons ... Check The Solutions To The Practice Problems By Looking At The Answer Key At The End Of The Worksheet.

Definition of similar polygons ... Lesson 7-5. Chapter 7 36 Glencoe Geometry ... have the same ratio as the other two sides of the triangle.

Tell whether each pair of polygons is similar. Explain why or why not. 12 400 7.5 500 N 500 Exercises 4—6 show pairs of similar polygons. 400 x 4.5 75 105 10 Find the unknown length. 2.5 n 1000 1000 7.5 4 350 450 450 12 350 400 1200 400 3 1200 200 15 550 200 Lesson 5-5 Reteaching Course 3 Chapter 5

Solve and Prove Similar Polygons KEY 1 Solve and Prove Similar Polygons KEY 2 To debrief the classwork, I go over a few key problems, like #4, which requires students to first establish that the triangles are similar by AA~ before solving for side lengths, as well as any of the proofs students would like to discuss.

2. 3. 4. Problem 2 Draw two polygons that are similar but could be mistaken for not being similar. Explain why they are similar. Solution Answers vary. Sample response: Two polygons with different orientations; two congruent polygons. Another sample response: Two polygons where a reﬂection is part of the transformation from one to the other ... Mar 21, 2013 · Geo/ Alg 2. Exam-Ratios and Proportions A triangle has sides whose lengths are 5, 12, al 13. A similar triangúe could have sides with lengths of l) 3, 4, and 5 2) 6, 8, and 10 3) 7, 24, and 25 10, 24, and 26 As shown in the diagram below, A ABC A DEF, AB = BC = 4, 7, and EF=x. What is the length of AB? 1) 28 Triangles ABC and XYZ are similar ...