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GeoGebra
refraction the light on the surface of a glass ball
Author:
Diako Mardanbegi
refraction on the surface of a glass ball.
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Cool Spinny Morphing Octahedron 2
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Tessellation1
Square Pyramid
三角比の拡張2
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large angle of triangle
Right-angled triangle
Triangle to Square Puzzle
Untitled
