Question

Question 10
Two lines l and m are perpendicular to the same line n. Are l and m perpendicular to each other? Give the reason for your answer.

Answer 1

No, they are not perpendicular.
Given, lines l and m are perpendicular to the line n.

$\therefore \angle 1=\angle 2={90}^{\circ }[\because l\perp nandm\perp n]$
It implies that these are corresponding angles.
Hence, l ∥ m.