Mathematics, 31.07.2019 01:40 BluSeaa

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.

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In △pqr, pq = pr and qr = 18 in. the altitude pn = 12 in and s is a point on the extension of qr so...