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this is a right answer of you question
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Step-by-step explanation:
x+20+55+3x-5=180
4x+75-5=180
4x+70=180
4x=180-70
X=110/4
X= 27.5degree
angle AOC=27.5+20
=47.5
angle BOD= 3(27.5)-5
= 82.5-5
= 77.5
hope my answers will help you ☺️☺️
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