1.

In the figure l // m, then y =A) 180° B) 50° C) 130° D) 40°

Answer»

Correct option is (C) 130°

y and \(50^\circ\) are interior angles on the same side of a transversal n of two parallel lines.

\(\therefore\) \(y+50^\circ=180^\circ\)

\(\Rightarrow\) \(y=180^\circ-50^\circ=130^\circ\)

Correct option is  C) 130°



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