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Omni-MATH / Let acute triangle ABC have circumcenter O, and let M be the midpoint of BC. Let P be the unique point such that ∠BAP=∠CAM,∠CAP=∠BAM, and ∠APO=90^(∘). If AO=53,OM=28, and AM=75, co…

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Let acute triangle ABCABC have circumcenter OO, and let MM be the midpoint of BCBC. Let PP be the unique point such that ∠BAP=∠CAM,∠CAP=∠BAM\angle BAP=\angle CAM, \angle CAP=\angle BAM, and ∠APO=90∘\angle APO=90^{\circ}. If AO=53,OM=28AO=53, OM=28, and AM=75AM=75, compute the perimeter of △BPC\triangle BPC.
Plain-text mathematical notation (without MathML)
Let acute triangle ABC have circumcenter O, and let M be the midpoint of BC. Let P be the unique point such that ∠BAP=∠CAM,∠CAP=∠BAM, and ∠APO=90^(∘). If AO=53,OM=28, and AM=75, compute the perimeter of △BPC.
Original LaTeX notation
Let acute triangle $ABC$ have circumcenter $O$, and let $M$ be the midpoint of $BC$. Let $P$ be the unique point such that $\angle BAP=\angle CAM, \angle CAP=\angle BAM$, and $\angle APO=90^{\circ}$. If $AO=53, OM=28$, and $AM=75$, compute the perimeter of $\triangle BPC$.

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