If a cone is cut into two parts by a horizontal plane passing through the mid point of its axis, find the ratio of the volumes of upper and lower part.

If a cone is cut into two parts by a horizontal plane passing through

1.	If a cone is cut into two parts by a horizontal plane passing through the mid point of its axis, find the ratio of the volumes of upper and lower part.
Answer» If a cone is cut into two parts by a horizontal plane passing through the mid point of its axis, find the ratio of the volumes of upper and lower part.