volume of frustum of a pyramid
by Mateta Lubinda
A hole is to be dug in the form of a frustum of a pyramid.
The top is to be a square of side 6.40 m and the bottom a square of 3.60 m.
The depth of the hole is to be 4.00 m.Calculate the following
1. The volume of the earth to be removed.
2. If the hole is now filled with concrete to a depth of 2.00 m, find the amount of concrete required.