Question 6  Ellipses & Parabolas
Key Concepts
How to Draw an Ellipse  Circle Method
1  Draw a circle with a diameter equal to the major axis and a circle with a diameter equal to the minor axis using the same centre
2  Divide the circles into 12 slices using your 30 deg set square 3  Draw a vertical line down from each point where the lines meet the outer circle and draw a horizontal line across where the lines meet the smaller circle. Mark out the points where the horizontal and vertical lines meet. 4  Use these points to freehand sketch the ellipse


How to Draw a Tangent to an Ellipse at a Point, p
Ellipse Problem  p230 Q6


Parabola
How to Draw a Parabola (Rectangle Method)

