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POQ is a line.Ray OR is perpendicular to line PQ. Angle QOR = |
| Answer» POQ is a line ray is PERPENDICULAR to line PQ 6.17, POQ is a line. Ray OR is perpendicular to line PQ. OS is ANOTHER ray lying between rays OP and OR. PROVE that ∠ ROS = 1/2(∠ QOS – ∠ POS). | |