Question

which of the following statements about perpendicular lines is TRUE? Is it (a) Perpendicular lines have a constant distance between them. (b) Perpendicular lines have intersect at 90° angle. (c) There is no standard symbol for perpendicular lines. (d) Perpendicular lines do not exist in the same plane.

Answer 1

(b) Perpendicular lines have to intersect at angle 90.

Answer 2

(B) Perpendicular lines have intersect at 90 degree angle.