Question

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Answer 1

The answer is A. m || n.

Explanation:

The answer is A. m || n.

If the lines are parallel, then the angle to the right of angle 3 is congruent to angle 1 since they are alternate interior angles of parallel lines. That makes m(1 + m<2 + m<3 = 180 deg.

Answer 2

i think the anwser is the third one c