are these lines perpendicular? yes no

are these lines perpendicular? yes no

are these lines perpendicular? yes no

Answer

Explanation:

Step1: Recall perpendicular - lines definition

Two lines are perpendicular if they intersect at a right - angle (90 degrees).

Step2: Observe the given lines

The lines in the picture intersect at a 90 - degree angle.

Answer:

yes