Equilateral Triangle + Semicircle = ? (GoGeometry Action 88)

Argomento:Circonferenza, Triangoli equilateri

Creation of this applet was inspired by a tweet from Antonio Gutierrez (GoGeometry). How can we formally prove what this applet informally illustrates?

Quick (Silent) Demo

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အခြေခံ data အခေါ်အဝေါ်များ
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Triangle Angle Theorems (V3)
Animation 25
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Simmetrie
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