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The development of lateral surfaces of a pentagonal pyramid is ________(a) Five rectangles(b) Five squares(c) Five triangles(d) Five circles |
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Answer» Right option is (c) Five triangles To explain: 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 self-dual. The regular pentagonal pyramid has a base that is a regular pentagon and lateral faces that are equilateral triangles. |
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