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Pre Alg8.8A

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Pre Alg: Practice 8.8A

Pre Alg: Practice 8.8A

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  • 1. SON Name ____________________________________________________ Date __________ LES 8.8 Practice416–421 B For use with pages In Exercises 1 and 2, name the similar polygons. 1. A 2. 100 ft K B 20 ft M N S 40 ft 10 cm 5 cm 5 cm 50 ft 3 cm R D C 100 ft J L P Q 10 cm 20 ft 1.5 cm T 3. TABC is similar to TRST. Find the value of x. B R x 8 ft T S 2 ft A C 24 ft 4. Quadrilateral WXYZ is similar to quadrilateral LMNP. Find the values of x and y. W 15 in. y X N Z 13 in. P 39 in. 115 x M 91 in. L 38 Y In Exercises 5–9, graph the polygon with the given vertices. Dilate by the scale factor, k, and graph the image. 5. A(1, 1), B(2, 1), C(4, 4), D(1, 4); k  3 6. W(1, 6), X(5, 4), Y(4, 1); k  4 1 7. L(0, 0), M(0, 6), N(6, 9), Q(3, 3); k � 3 Lesson 8.8 2 8. E(10, 5), F(5, 0), G(5, 5), H(10, 5); k � 5 9. J(2, 2), K(2, 0), L(5, 0), M(8, 2), N(5, 4), Q(2, 4); k  2 10. Brad had planned to put in a rectangular garden that was 12 feet by 8 feet. He decided that it was too big. He decided to reduce the dimensions of the garden by half. How do the areas of the original and revised gardens compare? 72 Middle School Math, Course 3 Copyright © McDougal Littell Inc. All rights reserved. Chapter 8 Resource Book