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Demonstrations 21 - 40 of 225
Problems on Circles V: External and Internal Common Tangents
Generating Points with Uniform Density in a Triangle, Parallelogram, or Disk
Separating Points by a Line or Parabola
Testing a Polygon for Convexity and Self-Intersection
A General Cone
Elastic Collision of Two Disks
Locating the Complex Roots of a Quadratic Equation
Paths through a Grid
Three Equal Segments from the Altitudes of a Triangle
Ratios Involving Six Radii
Circumcircles of Two Midpoints and an Altitude
Random Domino Tilings
Parking a Car
The Path of the Rear Wheels of a Bus
Bisecting the Area and Perimeter of a Triangle
Bisecting a Triangle
Reflections of a Line through the Orthocenter in the Sides of an Acute Triangle
Squares on a Line Segment
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