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Demonstrations 121  140 of 459
Determine the Properties of a Figure
I Am a Regular Polygon
Monte Carlo Estimation of Area
Dissecting a Net of a Gyroelongated Square Dipyramid
Dissecting a Disk with Six Segments Deleted to a Hexagon
Tiling with Pentominos
Three Proofs of the Pythagorean Theorem
JugtoSquare Dissection
Cyclogons
TwistHinged Dissection That Doubles the Sides of a Polygon
Dissecting a Cross of Lorraine to a Greek Cross
Lindgren's Dissection of a Parallelogram to a Parallelogram
Geometry of Cubic Polynomials
Decomposition into Isosceles Triangles with Angles That Are Multiples of Pi/4
A TwistHinged Dissection of Triangles
Lindgren's Dissection of a Quadrilateral to a Triangle
Dissection of One Quadrilateral to Another
Concave Random Quadrilaterals from Four Points in a Disk
Two Dissections of a Mitre to a Gnomon
SwingandTwistHinged Dissection of an Octagon to Two Octagons
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