Question

If two straight lines are perpendicular to the same line then prove that they are parallel to each other.​

Answer 1

Answer:

ur answer is in the attachment...hope its helpful..

Answer 2

Let the two lines m and n each be perpendicular to the same line I.

Then,

∠1 = 90°

∠2 = 90°

∴ ∠1 = ∠2

But these angles form a pair of equal corresponding angles

∴ m || n

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