Q.

The top views of 1st, 2nd and final stages of a pentagonal pyramid, has one of its triangular faces in the V.P and edge of the base contained by that face makes an angle of 30 degrees with the H.P while drawing orthographic projections are                            

A. pentagon, irregular pentagon, irregular pentagon
B. triangle, irregular pentagon, irregular pentagon
C. triangle, triangle, irregular pentagon
D. pentagon, triangle, irregular pentagon
Answer» C. triangle, triangle, irregular pentagon
Explanation: as the 1st stage is to keep the solid in simple position for given conditions the solid’s base should be placed on v.p so top view gives triangle and then rotated so as to one of the face touch the v.p now the view will remain triangle and then adjust so that edge of base on v.p makes 30 degrees with
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