If two straight lines are perpendicular to a line l, then they are.

Parallel to each other

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Perpendicular to each other

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The lines intersect each other when extended

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The angle between the two lines is 180^o

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Solution

The correct option is A
Parallel to each other

When two lines are perpendicular to the same line, sum of interior angles on same side is 180^o. Hence the lines are parallel to each other.

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Which of the following statements are true (I) and which are false (F)? Give reasons.
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If two straight lines are perpendicular to a line l, then they are.

The correct option is A Parallel to each otherWhen two lines are perpendicular to the same line, sum of interior angles on same side is 180o. Hence the lines are parallel to each other.

The correct option is A
Parallel to each other

When two lines are perpendicular to the same line, sum of interior angles on same side is 180^o. Hence the lines are parallel to each other.