Photos P AB BC

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P ab bc. Ab=BC bd=DC 1=2. PABC=48 PBDC = 52 BC=? Bd= ?. (Ab == bd) or (BC == bd) or (bd ==((BC*ab)/2)).
Ab=BC bd=DC 1=2. PABC=48 PBDC = 52 BC=? Bd= ?. (Ab == bd) or (BC == bd) or (bd ==((BC*ab)/2)).