Question

Plzz answer.

Plzz help.

NOTE : ( WANT WITH FULL PROCESS ).
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Answer 1

Answer:

x=55(alternative Angle)

55+45+apb=180(angle sum property)

apb=180-100

apb=80

x+apb+y=180

55+80+y=180

180-135=y

y=45

mark me as brainlist plzz