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GeoGebra
共邊定理 (English name?)
Author:
Alex CHIK
Discover Resources
Inversion of a circle not including the centre of inversion.
ERMS 8th Grade transformation
Pythagorean Theorem
Circumcenter
Octahedron
New Resources
Vector Field 3D
Coins in a row
TRIANGLE
SEMICIRCLE
Example QF.2.1
