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Answered by
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Hey friend..
STEP - BY - STEP EXPLANATION
ANSWER :-
x+31+x+20+x = 180°
3x+51=180°
Divide by 3 above eq.
x+17=60
x=43°
HOPE that it will help you ✌️ ✌️
ishucutee:
Mark my answer as brainliest
Answered by
1
x+31+x+20+x=180. (linear pair)
3x+51=180
3x=129
x=129/3
x=43
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