Technical Drawing - Exam Papers - Higher - 1999 - Paper 1

Question 7

A regular hexagonal right pyramid has a side of base 45 mm and an altitude of 90 mm and rests with one of its triangular faces on the horizontal plane as shown in Fig. 5. The pyramid is cut by an oblique plane as shown. The cut surface is inclined at 60° to the horizontal plane.

Draw the projections of the pyramid when it has been cut by the oblique plane.