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Technical Drawing - Exam Papers - Ordinary - 1998 - BuildingQuestion 4Fig. 4 shows the outline plan of a hyperbolic paraboloid roof surface. The roof perimeter is a square in plan. The corners A and C are at ground level, corner B is 8 m above ground level and corner D is 22 m above ground level. (a) Draw the plan of the roof and project the elevation. Scale 1 : 200 ![]() ![]() |
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