# Regular Prism Volume and Surface Area

Regular Prism Volume and Surface Area

A regular prism has two regular polygons set apart by some height with matching edges joined to make rectangles. When the polygon has area , the volume of the prism is . With sides of length , the polygons each have area .

h

A

V

V=A×h

n

l

A=cot

2

l

n

4

π

n