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Geometry
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Demonstrations 2261  2280 of 3511
The Triangles Formed by the Endpoints and Midpoints of Cevians
Distance of a Point to a Polygon
Distance of a Point to a Segment
SideSplitting Triangle Ratios
Problems on Circles XIII: Common Area of Two Circles
A Chain of Tangent Circles
A Layered Design
Largest Square inside a Triangle
Problems on Circles IX: Circumcircles and Incircles of a Triangle
The Trammel of Archimedes
An Angle Bisection
Three Concyclic Sets of Points Associated with the Orthic Triangle
The SeeSaw Lemma
Problems on Circles XII: Bouncing a Circle inside Another Circle
Dupin Cyclides
Unwrapping Involutes
Juggling the Cascade Pattern
Toroidal Transmission
Optimal Parameterization of Rational Quadratic Curves
Tendency of a Curve
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