Hidden Equilateral Triangle

Angle trisectors are formed from each vertex. Their intersection points form an equilateral triangle. Can you prove this for all triangles? -idea from 1000 PlayThinks by Ivan Moscovich page 120

 

Bill Lombard

 
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Anyag
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angle  trisectors 
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13 – 19+
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English (United States)
 
 
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4.4
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4826
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