Technical Drawing - Exam Papers - Higher - 1997 - Paper 1
(a) Draw a straight line DVF, where DV is 45mm long and VF is 28mm long. F is a focus of an ellipse, V is the vertex and D is a point on the directrix.
Draw a portion of the curve.
(b) Draw a triangle AFP where AF=35mm, FP=70mm and AP=85mm. F is one of the focal points of a double hyperbola, A is a point on the transverse axis, AP is a tangent to the curve and P is the point of contact.
Draw a portion of the double curve.