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QUESTION
In △PQR, PQ = PR and QR = 18 in. The altitude PN = 12 in and S is a point on the extension of QR so that PS = 20 in. Prove that ∠QPS is a right angle.
In △PQR, PQ = PR and QR = 18 in. The altitude PN = 12 in and S is a point on the extension of QR so that PS = 20 in. Prove that ∠QPS is a right angle.
