GoGeometry Action 13!

主題：圓

Creation of this applet was inspired by a tweet from Antonio Gutierrez. In the applet below, the blue circle and green circle are concentric circles. How can you formally prove what this applet informally illustrates?

Quick (Silent) Demo

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Cube and Tetrahedron
Investigating the Roots of Complex Numbers
Polygons & their Properties
Activity 1
FLOWER 2

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平面
多項式函數
正方形
曲線描繪
表面

GoGeometry Action 13!

Quick (Silent) Demo

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