A frustum of a pyramid is a part of the pyramid with two parallel bases. The lateral
Chapter 10, Problem 42(choose chapter or problem)
A frustum of a pyramid is a part of the pyramid with two parallel bases. The lateral faces of the frustum are trapezoids.Use the area formula for a trapezoid to derive a formula forthe lateral area of a frustum of a regular square pyramidwith base edge lengths b 1 and b 2 and slant height .
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