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Geo_Book_Answers

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<strong>Answers</strong> to Exercises<br />

13. See table below.<br />

14.<br />

15.<br />

16.<br />

17.<br />

F<br />

A<br />

C D<br />

B<br />

Y<br />

I T<br />

E<br />

F<br />

13. (Lesson 3.3)<br />

36 ANSWERS TO EXERCISES<br />

18. not congruent<br />

19. possible answer:<br />

20. possible answer:<br />

5 cm<br />

6 cm<br />

40<br />

5 cm<br />

8 cm<br />

9 cm<br />

9 cm<br />

Rectangular pattern with triangles<br />

Rectangle 1 2 3 4 5 6 … n … 35<br />

Number of shaded<br />

triangles<br />

2 9 20 35 54 77 … … 2484<br />

40<br />

8 cm<br />

6 cm<br />

(2n 1)(n 1)

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