In the given figure, if ∠2 = 55° and ∠5 = 60°, then the lines m and n are

parallel

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not parallel

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cannot say

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None of these

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Solution

The correct option is B
not parallel

∠2 = 55° = ∠4
∠4 + ∠5 = 55° + 60°
= 115°
Since the sum of interior angles on the same side of transversal is not 180°, the lines are not parallel.

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