Question

which of the following best describes perpendicular lines?
a. lines that meet at a 45° angle
b. lines that are coplanar and do not intersect
c. lines that are not in the same plane
d. lines that meet at a 90° angle

Explanation:

Perpendicular lines are defined as lines that intersect at a right - angle, which is 90°. Option A is for lines meeting at 45°, option B describes parallel lines, and option C describes skew lines.

Answer:

D. Lines that meet at a 90° angle