Question

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Answer 1

Step-by-step explanation:

I know only 2nd one its Answer is :-

x= 55° ( Vertically opposite angles)

x+ y = 180° ( linear pair)

55+y = 180

y = 180-55 = 125°

z = 125 ° ( vertically opposite angle of y)

CHECK

THE SUM OF ALL THE ANGLES SHOULD BE 360°

SO 125+125+55+55 = 360°

Hence the answer is correct :)