Question

What does perpendicular mean

Answer 1

"In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees). The property extends to other related geometric objects."

Answer 2

at an angle of 90° to a given line, plane, or surface

Answer 3

A line is said to be perpendicular to another line if the two lines intersect at a right angle.

Answer 4

Thanks allof you guys