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STEP 例題5
Author:
kyouko
Topic:
Geometry
GeoGebra
New Resources
コイン投げと樹形図
等積変形2
正１７角形 作図 regular 17-gon
円の伸開線
カージオイド
Discover Resources
円の接線と弦の作る角
放物面レンズの屈折 Paraboloid lens
点の存在範囲（3Dボタン式）
９点円の拡張の証明
平行四辺形内の等積変形
Discover Topics
Scalene Triangles
Histogram
Natural Numbers
Pythagoras or Pythagorean Theorem
Upper and Lower Sum or Riemann Sum