Maths Triangles Hard
In a triangle PQR, N is a point on PR such that QN is perpendicular to PR. If PN.NR = QN^2, prove that angle…
In a triangle PQR, N is a point on PR such that QN is perpendicular to PR. If PN.NR = QN^2, prove that angle PQR = 90 degrees.
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