Technical Drawing - Exam Papers - Ordinary - 1997 - Building

Question 2

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Fig. 2 shows the outline plan and elevation of a roof.
The roof surfaces A and B have a pitch of 55° and surfaces D and E have a pitch of 45°.

(a) Draw the given plan and elevation of the roof.
(b) Determine the pitch of surface C.
(c) Find the dihedral angle between the surfaces B and C.

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