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3つの正三角形でできる四角形
Author:
山脇雅也
Topic:
Circle
,
Equilateral Triangles
,
Parallelogram
,
Rectangle
,
Rhombus
,
Triangles
GeoGebra
New Resources
standingwave-plus
サイクロイド
接点の作る円は内接円
正１７角形 作図 regular 17-gon 2
standingwave-reflection-free
Discover Resources
辺の長さを求める問題2
角の二等分線
折れ線の長さの最小値
GeogebraFreeWorkSheet
対頂角・同位角・錯角
Discover Topics
Incircle or Inscribed Circle
Vectors 2D (Two-Dimensional)
Scalene Triangles
Planes
Probability