Photos P AB BC

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P ab bc. AC 2ab p 20. (Ab\AC+BC\AC)^2. AC 2 ab p 20 AC BC ab. P = ab + BC + AC /2.
AC 2ab p 20. (Ab\AC+BC\AC)^2. AC 2 ab p 20 AC BC ab. P = ab + BC + AC /2.

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