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Polygons
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Demonstrations 21  40 of 351
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
TwistHinged Dissection of One Pentagon to Four
PianoHinged Dissection of an Ellipse to a Heart
Decomposition of Some Polygons to IsoPenta Triangles
TwistHinged Dissection of One Parallelogram into Another with the Same Angles
Dissection of a Regular Pentagon into Three Pentagons
Dissection of One Triangle to Another
Hinged Dissection of One Pentagon to Five Pentagons
TwistHinged Dissection of Squares
Three Dissections by Leonardo da Vinci
Dissection of a Regular Decagon into Three Pentagrams and Eight Pentagons
Dissection of a Latin Cross into a Square
Dissection of Five Equilateral Triangles into One
Dissection of a Regular Decagon into Two Pentagrams and Six Pentagons
TwistHinged Dissection of a Regular Polygon into a Polygram
Dissection of a Sphinx into a Triangle
Obtuse Random Triangles from Three Parts of the Unit Interval
Dissecting a Latin Cross into a Greek Cross
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