Important Questions – Triangles – In a Triangle PQR, N is a point on PR, such that QN is perpendicular PR If PN x NR = QN^2 prove that angle PQR=90

Important Questions – Triangles – In a Triangle PQR, N is a point on PR, such that QN is perpendicular PR If PN x NR = QN^2 prove that angle PQR=90 - MBS Classes