http://i40.tinypic.com/dooq2o.jpg

Can anyone please show the work on how to do this, with the answer because no one in my family knows.

And also.

1.A __ prism has lateral faces that are perpendicular to the two bases.

2.You can determine the __ of an irregular shaped object by measuring its displacement.

3.The volume V of a sphere of radius r is given by the formula V=

4.The __of a pyramid are the faces of the pyramid that are not the base.

Please help me :/