Question

The diagram shows a pyramid whose base is a regular pentagon of area 42 cm2 and whose height is 7 cm. What is the volume of the pyramid?

Answer 1

`98 cm^3`

Explanation:

Volume of a pyramid `V=1/3*A*h`
where `A` is the area of the base and `h` is the height of the pyramid.

Given `A=42 cm^2, and h=7 cm`,
`=> V=1/3*42*7=98 cm^3`