perplexus.info :: Geometry : Equal Bisectors

Equal Bisectors (Posted on 2013-11-03)

Let cevians BE and CD of ΔABC be of equal length and
bisect angles B and C.

Prove that ∠B = ∠C without using the formula for the
length of angle bisector or a proof by contradiction.

See The Solution Submitted by Bractals

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