1.

What will be the answer and plz send me the stepwise solution .

Answer»

2x+3x = 180° (linear pair)
5X = 180°
x = 180/5
x = 36°

2x = 2×36 = 72°

2x = y+30° ( Vertically Opposite Angles)
72 = y+30°
72-30 = y
42 = y
y = 42°
Answer is E

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