Technical Drawing - Exam Papers - Higher - 1994 - Paper 1

Question 4

  

A regular pentagonal right pyramid has a side of base 70 mm and an altitude of 75 mm and it rests with one edge of its base on the horizontal plane as shown in plan and elevation in Fig. 3. Also shown are the projections of an equilateral triangular prism of 45 mm side which penetrates the pyramid.
Draw the projections of the solids showing all lines of interpenetration.

Show Full Answer

Hide Full Answer