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街灯 影の長さ
Author:
増永雄大
Topic:
Constructions
,
Geometry
,
Straight Lines
,
Planes
,
Similar Triangles
GeoGebra
New Resources
斜めドップラー
standingwave
standingwave-reflection
sine-wave
円の伸開線
Discover Resources
遠近法 Perspective
9点円(三角形の不思議な円)
立方体の展開図
正四面体
正六面体
Discover Topics
Statistics
Arithmetic
Ratios
Equations
Tree Diagrams