Page 707 - Basic College Mathematics with Early Integers

684 C HAPTE R 9 I GEOMETRY

Find the measures of angles x, y, and z in each figure.

13. 14. x
z 25
y y
x 100
z

15. Given that m 7 n. 16. Given that m 7 n.
42
z x m
y m
y
x n z n
53

(9.2) Find the measure of ∠x in each figure.

17. x 18. 19. x 20. 25
62
x
32 45 30
x 58

Find the unknown diameter or radius as indicated.

21. 22. 23. 24.
d 19 m
d 14 ft
d ?
r ? d ?
r 7E cm
r ?
r 2Å m

Identify each solid.

25. 26. 27. 28.

Copyright 2012 Pearson Education, Inc.
Find the unknown radius or diameter as indicated.

29. The radius of a sphere is 9 inches. Find its diameter. 30. The diameter of a sphere is 4.7 meters. Find its radius.