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. Leave your answers in terms of and round answers to the

nearest tenth. Don’t forget, the radius is half the size of the diameter.

1) 2) 3) 4)

4.5 cm

28 cm

16 cm

8.4 cm

V = V = V = V =

5) 6) 7) 8)

9.4 cm

17 cm

7.2 cm

46 cm

V = V = V = V =

9) 10) 11) 12)

53 cm

6.1 cm

3.2 cm

49 cm

V = V = V = V =