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三角形の垂心（an orthocenter）
Author:
Takayuki Kamei
Topic:
Orthocenter
GeoGebra
New Resources
コイン投げと樹形図
接点の作る円は内接円
standingwave-reflection
フーリエ級数展開
standingwave-plus
Discover Resources
move_usi
アステロイド
月の軌道モデル
転がす
平行四辺形内の等積変形
Discover Topics
Linear Programming or Linear Optimization
Poisson Distribution
Pyramid
LCM and GCD
Random Experiments