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Demonstrations 121 - 140 of 562
Vega's Second Calculation of Pi
Vega's Calculation of Pi
Disk to Oval Seat Tops II
Dissecting an Even-Sided Regular Polygon into Rhombuses
Disk to Oval Seat Tops
Leonardo's Dissection of a Motif to a Rectangle
Dissecting a Globular Greek Cross to a Square
Hinged Dissection of a Pentagram to a Decagon
A Regular Polygon with an Even Number of Sides Is the Union of Rhombuses
Nonograms from Invaders
Theobald's Dissection of a Heptagon to a Triangle
A Quiz for the Longest Rivers and Largest Lakes
Common Point of Tangents
Nine Summits Quiz
Relations between Golden Rhombic Solids and Some Archimedean Solids
Three Hinged Dissections of Squares
Dissection of a Cube into Three Bilunabirotundas, a Dodecahedron, and a Smaller Cube
A Dissection of a Prolate Golden Rhombohedron
Find the Opposite Face
Deriving the Formula for the Area of a Parallelogram
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