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
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How to Draw a Tangent to an Ellipse at a Point, p
Ellipse Problem - p230 Q6
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Parabola
How to Draw a Parabola (Rectangle Method)
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