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三角形の垂心(an orthocenter)
Author:
Takayuki Kamei
Topic:
Orthocenter
GeoGebra
New Resources
正17角形 作図 regular 17-gon
standingwave-reflection-free
sine-wave
standingwave-reflection-fixed
直線の軌跡
Discover Resources
増減表の導入
ジャブラニ(2010)
対称移動
GHS1235
等積変形
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Terms
Stochastic Process or Random Process
Ratios
Triangles
Cube