Question

Identify the properties of parallel lines.

• A. Parallel lines lie on the same plane.
• B. Parallel lines do not intersect even when produced upto any extent on either sides.
• C. A pair of parallel lines form an angle of ${90}^{\circ }$
• D. Parallel lines are straight lines.

Answer 1

Answer: (A), (B), (D)

The correct options are
A Parallel lines lie on the same plane.
B Parallel lines do not intersect even when produced upto any extent on either sides.
D Parallel lines are straight lines.

Two straight llines are said to be parallel to each other if they lie on the same plane and do not intersect even when produced upto any extent on either sides. Since they do not intersect, parallel lines cannot form angles.