PracticalStudent.com


Technical Drawing  Exam Papers  Higher  1999  BuildingQuestion 2Fig. 2 shows the outline plan and elevation of roof surfaces and a dormer window. Surface E has a pitch of 35° The true shape of the surface A is an equilateral triangle having sides 14m long. The dihedral angle between the surfaces B and C is 130°, and the dihedral angle between the surfaces F and G is 140°. (a) Draw the given plan and elevation. (b) Determine the dihedral angle between the surfaces D and E. Scale 1 :200 


