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Demonstrations 21 - 40 of 1022
On Which Side of a Directed Line Is a Point?
Angle of Intersection of Two Circles
Multiple Reflections in Two Mirrors
The Pedal and Antipedal Triangles
Exact Trilinear Coordinates
The Geometry of the Steiner Tree Problem for up to Five Points
Constructing a Steiner Tree for Five Points
Circle Inversion of Basic Figures
Cumulative Area under a Cycloid versus the Area of Its Rolling Circle
G^1 Hermite Interpolation with Pythagorean-Hodograph Cubic Curves
Constructing the Radius of a Ball
Five Circles Theorem
Bézier Curve Approximation of an Arc
Twist-Hinged Dissection of a Hexagram to Two Hexagons
Da Vinci's Construction of an Ellipse
Paper-Folding an Ellipse
Dissecting a Disk with Six Segments Deleted to a Hexagon
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