Question

If a pair of perpendicular lines are rotated, which is true?

A) Rotating perpendicular lines result in parallel lines.
B) The lines remain perpendicular only if rotated 180°.
C) The lines remain perpendicular only if rotated 360°.
D) Rotated perpendicular lines always remain perpendicular lines.

Answer 1

Your answer would be (D).


Explanation: Rotated perpendicular lines always remain perpendicular lines.

Rotation is a rigid transformation, so the lines remain perpendicular.