Name__________________________

VOLUME OF A SPHERE #2-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)

 3.5 cm

 26 cm

 14 cm

 7.4 cm

V = 11,488.2 cu. cm               V = 1,696.5 cu. cm             V = 73,584.9 cu. cm               V = 179.5 cu. cm

5)                                            6)                                          7)                                           8)

 9.2 cm

 15 cm

 6.2 cm

 44 cm

V = 44,579.6 cu. cm                 V = 124.7 cu. cm              V = 1,766.3 cu. cm                V = 407.5 cu. cm

9)                                          10)                                        11)                                         12)

 50 cm

 6.2 cm

 2.2 cm

 48 cm

V = 44.6 cu. cm                V = 463,011.8 cu. cm              V = 997.8 cu. cm               V = 523,333.3 cu. cm