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Technical Drawing  Exam Papers  Higher  1992  Paper 1Question 6(a) Draw a straight line FPD where FP = 50mm and PD = 75mm. If F is the focus of a hyperbola, P is a point on the curve, D is on the directrix and the eccentricity is 1.2, draw a portion of the curve. (b) Two lines PF and PQ meet at an angle of 35° and PF is 45mm long. F is one of the focal
points of a double hyperbola, PQ is a tangent to the curve and P is the point of contact. The
transverse axis is 50mm long. 


