Solid 3Dhard
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A cube of side length has a square pyramid removed from its interior. The base of the pyramid is one face of the cube, and the apex of the pyramid is at the center of the opposite face. What is the volume of the remaining solid?
A cube of side length has a square pyramid removed from its interior. The base of the pyramid is one face of the cube, and the apex of the pyramid is at the center of the opposite face. What is the volume of the remaining solid?