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Technical Drawing  Exam Papers  Higher  1994  Paper 1Question 6(a) A point P on the curve of an ellipse is 45 mm from the focus and 70 mm from the directrix. (b) Draw a straight line ABF where AB = 90mm and BF = 30mm. F is one of the focal points of a double hyperbola, A is a point on one branch of the curve and B is a point on the other branch. The transverse axis is 50mm long. 


