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What is a convex, concave or crossed polygon?
作者：
Daniel Mentrard
主題：
Plane Figures or Shapes
,
多邊形
GeoGebra
最新資源
רישום חופשי
Reflection = 180° Rotation about a Line
apec
Triangle with 3 Right Angles
seo tool
探索資源
slider1 (2)
Midpoint between two points
Circumcenter of a Circle
unit circle and trigonometric functio…
Standing Waves on Strings
Can you fit the four pieces into the square? Why?
探索主題
3D 向量（三維）
算術運算
矩形
冪函數
立方（體）