NCERT Exercise 6.1 Q5 - Lines and Angles
Question: In Fig. 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 = ½(∠QOS − ∠POS).
Answer: Proved: ∠ROS = ½(∠QOS − ∠POS).
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