Question

find the value of x
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Answer 1

Answer:

180-(180-105+180-120)=45

Answer 2

Answer:

105°+y= 180°( linear pair)

180 - 105= 75°.

180-120=60°

75+60+X= 180°

180-75+60=X

180-135=X

X=45° .

hope it helps