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小5_二等辺三角形の角の大きさのひみつ
Author:
KUMIKO TAKANO
GeoGebra
New Resources
standingwave-reflection-free
サイクロイド
斜めドップラー
standingwave
接点の作る円は内接円
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Ex_2_79
A visualization of trigonometric functions
走った時間と距離（xや比例定数の負の数への拡張）
外接円は傍心三角形の九点円
ピタゴラスの定理の逆
Discover Topics
Line Segment
Triangles
Quadratic Equations
General Quadrilateral
Integral Calculus