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it's a straight line so angle AOB will be 180°
3x+5+2x-20=180
5x-15=180
5x= 195
x=39°
BOC= 2×39-20
= 58°
AOC= 3×39+5
= 122°
hope you got it!!!
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I hope it is correct and pls make me as brainlist and thanks plz
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