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It's obvious, but needs proof (Posted on 2017-03-15) Difficulty: 2 of 5
Let points A, B, and C be equally spaced around a circle, and let point P lie on the arc between A and B.

Prove that PA + PB = PC.

  Submitted by Ady TZIDON    
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Solution: (Hide)
see Bractal's post for full proof.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Hints/Tipsre: Solution ........niceAdy TZIDON2017-03-18 09:53:09
SolutionSolutionBractals2017-03-17 15:17:05
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