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Demonstrations 121 - 140 of 615
Dudeney's Step Dissection of a Rectangle to a Square
A Sequence of Inscribed Platonic Solids
Deduce the Net for an Octahedral Die
Calculating Logarithms with a Series
Two Dissections of a Mitre to a Gnomon
Swing-and-Twist-Hinged Dissection of an Octagon to Two Octagons
Twist-Hinged Dissection of One Pentagon to Four
Piano-Hinged Dissection of an Ellipse to a Heart
Decomposition of Some Polygons to Iso-Penta Triangles
Twist-Hinged Dissection of One Parallelogram into Another with the Same Angles
Dissection of a Regular Pentagon into Three Pentagons
Efficiency of Some Machin-Like Formulas
Two Dissections of a Mitre to a Square
Dissection of One Triangle to Another
Hinged Dissection of One Pentagon to Five Pentagons
Nets of Polyhedra with Texture
Twist-Hinged Dissection of Squares
Three Dissections by Leonardo da Vinci
Folding a Dissection of a 1-by-3 Rectangle into a Cube
Dissection of a Regular Decagon into Three Pentagrams and Eight Pentagons
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