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 Reflection Triangle (Posted on 2020-01-24)
Given a reference triangle △ABC, a reflection triangle △A′B′C′ is generated by reflecting each vertex about the opposite side, for example A′ is generated by reflecting vertex A about side BC. Now, suppose the vertices A′, B′ and C′ are given, how can you find the original vertices of the original triangle △ABC?

 No Solution Yet Submitted by Danish Ahmed Khan Rating: 4.0000 (1 votes)

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 re(3): What am I missing? -> The Kosnita Point | Comment 4 of 5 |
(In reply to re(2): What am I missing? -> The Kosnita Point by JLo)

Haha!

I'm not at all convinced this problem is D3 difficulty. There is a related entry in WolframAlpha http://mathworld.wolfram.com/ReflectionTriangle.html which also looks quite difficult.

 Posted by broll on 2020-01-27 06:28:29

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