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PhuongMath

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  1. PhuongMath

    Prove

    PhuongMath posted a topic in Mathematics

    Convex pentagon MNPQR. $\angle{MNP}=\angle{MRQ}=90^o$ and $\angle{NMP}=\angle{RMQ}$. $NQ\cap PR={A}$. Prove that $MA\perp NR$.
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