Problem 3.9 Engineering Curves – Construct a parabola by parallelogram method with the base dimension 140 mm and height 100 mm. The base of the parabola makes an angle of 25° with the horizontal. And also draw the tangent and normal to the parabola at any suitable point.
Problem 3.6 Engineering Curves – Construct an ellipse by arcs of circle method. The major and minor axes are 140 mm & 100 mm respectively. Also draw the tangent and normal to the ellipse at any suitable point.