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Four Hinged Squares Sangaku

Author:Alexander Bogomolny

Topic:Square

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Billard V5.2 and V6
Area Between Two Curves
apec
Visualizing the Pythagorean Identity with Sine and Cosine
Making New Year's resolutions for 2026

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Algebra: Quadratics
Principia Lemmas XIII-XIV
TO FIND THE CENTRE OF A CIRCLE
Untitled
Circle Packing

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Plane Figures or Shapes
Constructions
Matrices
Cube
Sphere

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