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