63.5 if u want working out let me know
Easy! The best answer is B!
PLEASE GIVE ME THE BRAINLIEST I TRIED REALLY HARD ON THIS QUESITON!
Answer:
Two line are perpendicular when they are at right angles to each other.
The red line is perpendicular to the blue line in each of these examples:
Perpendicular Example
Step-by-step ex;planation: