Pentagonal pyramid - Alchetron, The Free Social Encyclopedia
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Pentagonal pyramid - Alchetron, The Free Social Encyclopedia
In geometry, a pentagonal pyramid is a pyramid with a pentagonal base upon which are erected five triangular Faces that meet at a point (the vertex). Like any pyramid, it is selfdual. The regular pentagonal pyramid has a base that is a regular pentagon and lateral faces that are equilateral triangl
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