Name__________________________

VOLUME OF A SPHERE #1-KEY

Directions: Find the volume of each sphere below. The formula to calculate the volume of a sphere is

, where r stands for the radius. Use 3.14 for and round answers to the nearest tenth.

1) 2) 3) 4)

15 cm

11 cm

3 cm

7 cm

V = 113.0 cu. cm V = 1,436.0 cu. cm V = 5,572.5 cu. cm V = 14,130.0 cu. cm

5) 6) 7) 8)

3.7 cm

28 cm

20 cm

2.4 cm

V = 33,493.3 cu. cm V = 57.9 cu. cm V = 91,905.7 cu. cm V = 212.1 cu. cm

9) 10) 11) 12)

6.8 cm

52 cm

40 cm

6.6 cm

V = 267,946.7 cu. cm V = 1,203.6 cu. cm V = 588,678.8 cu. cm V = 1,316.4 cu. cm