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12-93.

A cement block is the shape of a rectangular prism with length  ft, width  ft, and height  ft.  Centered on the top of the block and passing all the way through the block are two  ft by  ft rectangular holes. Homework Help ✎

  1. Draw a diagram of the block.

  2. What is the volume of the block?

    block







    Subtract the volumes of the two inner prisms from the volume of the large outer prism.