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Bowditch
Curve
Hyperbola
Lemniscate
Parabola
Ellipse
Constructed with Eight Circles
Ellipse
Osculating
Circle of the Nephroid
Osculating
Circle of the Cardioid
Osculating
Circle of the Deltoid
Osculating
Circle of the Astroid
Constructing
Astroid
Constructing
Deltoid
Constructing
Nephroid
Constructing
the Cardioid |
Regular
Pentagon
Deltoid
and 3-Cusped Epicycloid Envelope
Intersection
of a Line and a Circle
Peaucellier's
Linkage
Fermat
Point
Center
of a Circle
Arc
Bisection
Dividing
a Cirlce into Four Equal Parts
Square
Constructed from One Side
Square
Constructed from One Diagonal
Circles
Enveloping Nephroid
Sylvester's
Rotator
Linkage
Drawing the Ellipse
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