Equilateral Triangles Problem

Dynamic and modifiable illustration of a problem (involving 2 equilateral triangles) posted by David Petro on Twitter.
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Tim Brzezinski —

 
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angle  angle-sum  ccss  ccss.hsg.co.c.10  common  common-core  core  equilateral-triangle  equilateral-triangle-problem  geometry-challenge-proof-problem  proof triangles 顯示更多 ...
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15 – 19+
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English
 
 
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