Answer:

Explanation:
Volume of a pyramid =

Given: A pyramid has a square base with side s. The height of the pyramid is that of its side.
Base area is a square.
Area of the square = s*s =

Height = s (the height of the pyramid is that of its side)
Now plug in base area =
and height = s in the volume formula.
The volume of the pyramid =

The volume of the pyramid =
