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Gustav April 3rd, 2011 07:34 AM

Geometry proof
1 Attachment(s)
We have triangle ABC. Midpoints of BC, CA and AB are K, L, M respectively.
Prove that angles AMC and BLC are equally big if and only if angles CAK and BCM are equally big.

I am uploading attachment with one example.

Gustav April 3rd, 2011 02:24 PM

Re: Geometry proof
So no one is even trying??? :)

skipjack April 14th, 2011 12:26 AM

I haven't had time to look at this problem in detail (I may have time over the weekend), but my guess would be that what you want to prove is false. Where did you get this problem from?

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