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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 circlesI have been asked this question in an online interview.This question is from Development of Surfaces in portion Development of Surfaces, Isometric Projections, Perspective Projections & Transformation of Projections of Civil Engineering Drawing

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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