Technical Drawing - Exam Papers - Ordinary - 2002 - Building
Fig. 2 shows the outline plan and elevation of a roof.
Surface A has a pitch of 40°, surface B has a pitch of 30° and the surfaces C and D have a pitch of 60°.
(a) Draw the given plan and elevation of the roof.
(b) Develop the surface D.
(c) Find the dihedral angle between the surfaces A and B.
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