The Ellipsograph, a Mechanism for Constructing an Ellipse
The Ellipsograph, a Mechanism for Constructing an Ellipse
This Demonstration shows a top view of an ellipsograph, a mechanism for constructing the ellipse /+=1. The points and slide along the and axes. The distance between them is and the distance between and is .
2
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2
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2
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2
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|a-b|
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|b|