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Demonstrations 121  140 of 446
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
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
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