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円外の点からの接線の作図問題
Author:
Tsuyoshi Yamamoto
GeoGebra
New Resources
standingwave-plus
サイクロイド
等積変形2
standingwave-reflection
sine-wave
Discover Resources
固有多項式の幾何学的意味
Ex_86
altitude function
垂線の性質（四角形面積の等分）
多角形の回転
Discover Topics
Ellipse
Prism
Geometric Distribution
Quadratic Functions
Fractal Geometry