Technical Drawing - Exam Papers - Ordinary - 2005 - Building
Fig. 2 shows the outline plan and elevation of a roof.
Surfaces A and B have a pitch of 50°. Surface C has a pitch of 30°, surface D has a pitch of 60° and surface E has a pitch of 25°.
(a) Draw the given plan and elevation of the roof.
(b) Develop the surface B.
(c) Find the dihedral angle between the roof surfaces B and D.
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