If two lines are intersected by third line and the alternate interior angles so formed are equal. Then the lines arelines

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Solution

If two lines are intersected by the third line and the alternate interior angles so formed are equal to each other then those two lines are Parallel Lines.
Here, $∠ 1 = ∠ 2 & ∠ 3 = ∠ 4$

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If two parallel lines are intersected by a transversal, then alternate interior angles are equal.

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If two lines are intersected by third line and the alternate interior angles so formed are equal. Then the lines arelines

If two lines are intersected by the third line and the alternate interior angles so formed are equal to each other then those two lines are Parallel Lines. Here, ∠1=∠2 & ∠3=∠4

If two lines are intersected by the third line and the alternate interior angles so formed are equal to each other then those two lines are Parallel Lines.
Here, $∠ 1 = ∠ 2 & ∠ 3 = ∠ 4$