Question

Two lines are perpendicular if they intersect each other at:

• A. acute angle
• B. right angle
• C. obtuse angle
• D. none of these

Answer 1

The correct option is B

right angle

Explanation for the correct option:

Two lines are called perpendicular if the angle between them is $90°$. So, Two lines are perpendicular if they intersect each other at right angle.

Hence, option(B) is the correct answer.