Technical Drawing - Exam Papers - Higher - 1993 - Paper 1

Question 4

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A regular pentagonal right pyramid has a side of base 70 mm and an altitude of 120 mm and rests with one of its triangular faces on the horizontal plane as shown in Fig. 3. Also shown are the projections of a square prism of 40 mm side which penetrates the pyramid.
Draw the projections of the solids showing all lines of interpenetration.
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