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Recreational Mathematics
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Demonstrations 641 - 660 of 1325
Piano-Hinged Dissection of an Ellipse to a Heart
Twist-Hinged Dissection of One Parallelogram into Another with the Same Angles
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
Twist-Hinged Dissection of Squares
Folding a Dissection of a 1-by-3 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
Twist-Hinged Dissection of a Regular Polygon into a Polygram
Dissection of a Sphinx into a Triangle
Two-Cube Calendar
The Disappearing Hyperbolic Squares
Circle Rolling inside Another
Dissecting a Latin Cross into a Greek Cross
A Wide-Tie-Cross-to-Square Dissection
Decomposing a Regular Polygon with an Odd Number of Sides into Rhombuses and Triangles
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