Solved Numericals of Engineering Drawing – ED 22 Solved Questions

Q19: Draw the development of the lateral surface of a square pyramid of base side 40 mm and axis 60 mm resting on its base on the H.P., such that a side of the base is parallel to the V.P.

Solution:

Steps :

• Draw F.V. and T.V. of the square pyramid when it is resting on H.P. with one of sides having parallel to xy (or V.P.)
• With radius o ‘ b ‘ and center O, draw an arc of any length.
• Taking one point A in this are cut an arc of length 40 mm to get point B, C, D and A. Joint all the point with a dark line. This is the required Development.