A cone fits inside a square pyramid as shown For every

cross section the ratio of the area of the circle to the area

the area of the square the

Since the area of the circle is

volume of the cone equals

of the square is more

I the volume of the pyramid

Cross section

the volume of the pyramid or 3 (2+m) or. arn

the volume of the pyramid or (en en) or zarah

the volume of the pyramid or (20) or tren