Identify the set of perpendicular lines in this image.
A) AB, CD
B) CD, EF
C) AB, EF
D) AB, FE

Answer:
A
Step-by-step explanation:
AB and CD create a 90 degree angle, so it's perpendicular
Answer:
AB, CD
Step-by-step explanation:
there is ⊥ 90° angle sign between them AB and CD.
They are perpendicular