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A regular pyramid is a three-dimensional solid object with only one base (as opposed to prisms, which have two). "Regular" refers to whatever polygon the base is -- it will have sides of equal length and all of its interior angles will be congruent. The other faces of the regular pyramid are triangles of equal sides (congruent), each sharing two sides with the adjacent faces.

Pyramids have 1/3 of the volume of a prisms with the same base and height.

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12y ago

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