Name__________________________

VOLUME OF A SPHERE #3-KEY

Directions:  For each sphere below, the diameter of the shape is given.  Use the volume formula

,where r stands for the radius, to find the volume.  Round answers to the nearest tenth

and leave your answers in terms of .  Remember, the radius is half the size of the diameter.

1)                                            2)                                          3)                                           4)

 25 cm

 32 cm

 24 cm

 12 cm

V =                  V =           V =              V =

5)                                            6)                                          7)                                           8)

 43 cm

 6.8 cm

 52 cm

 36 cm

V =            V =                V =               V =

9)                                            10)                                          11)                                           12)

 4.8 cm

 19 cm

 64 cm

 3.8 cm

V =                V =             V =                  V =