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Demonstrations 81  100 of 352
Simple Caesar Cipher
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
Dissection of a Regular Pentagon into Three Pentagons
Two Dissections of a Mitre to a Square
Dissection of One Triangle to Another
Hinged Dissection of One Pentagon to Five Pentagons
TwistHinged Dissection of Squares
Three Dissections by Leonardo da Vinci
Folding a Dissection of a 1by3 Rectangle into a Cube
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
Deduce the Net for a Die
TwoCube Calendar
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