Name__________________________

VOLUME OF A SPHERE #3-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. Round answers to the nearest tenth & leave them in terms of .

1) 2) 3) 4)

19 cm

0.9 cm

7 cm

11 cm

V = V = V = V =

5) 6) 7) 8)

4.9 cm

25 cm

24 cm

4.5 cm

V = V = V = V =

9) 10) 11) 12)

8.1 cm

64 cm

42 cm

8.8 cm

V = V = V = V =