Question

pls answer me (B) and (C)​

Answer 1

∠POQ+∠QOR+∠ROS=180  {linear pair}

2x+10+3x+50=180

5x+60=180

5x=180-60

5x=120

x=120/5

x=24

(i)∠POQ=2x+10

∠POQ=2×24+10

∠POQ=48+10

∠POQ=58

(ii)∠ROS=3x

∠ROS=3×24

∠ROS=72

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