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

Answer


Given m perpendicular $t$ and $l$ perpendicular to t. $\angle{1}=\angle{2}=90^\circ$
Since, $I$ and $m$ are two lines and it is transversal and the corresponding angles are equal $L \| M$
Hence proved.

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