In the derivation of the formula for the volume of a cone,
the volume of the cone is calculated to be times the
volume of the pyramid that it fits inside.

Which statement best describes where the comes
from in the formula derivation?

A It is the ratio of the area of the square to the area of
the circle from a cross section.

B It is the ratio of the area of the circle to the area of
the square from a cross section.

C It is the difference of the area of the square and the
area of the circle from a cross section.

D It is the sum of the area of the square and the area
of the circle from a cross section.