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正五角形の作図
Author:
Naofumi Horio
GeoGebra
New Resources
正１７角形 作図 regular 17-gon 2
接点の作る円は内接円
サイクロイド
カージオイド
等積変形2
Discover Resources
検地の仕方
マルファッチの三斜三円問題
円の内と外
中学数学1-平行移動・回転移動-
square-rectangle transformer
Discover Topics
Planes
Matrices
Arithmetic Operations
Expected Value
Reflection