Posted by **Larry** on Tuesday, October 28, 2008 at 11:32pm.

A building in the shapeof a sqaure pyramid is to be covered with one-way reflective glass. One side of the base of the pyramid is 110m. The slant height of the pyramid is 125m. How much felfective glass is needed to cover the four sides fo the pyramid?

Help, the answer is 27,500m cubed.

But I don't know how you get that answre.

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