A) supplementary angles
B) corresponding angles
C) supplementary angles
D) alternative interior angles
E) vertical angles
F) alternative interior angles
G) corresponding angles
H) alternative interior angles
I) vertical angles
J) alternative interior angles
K) alternative interior angles
L) corresponding angles
M) supplementary angles
N) Alternative interior angles
O) vertical
i think those are correct if not i’m sorry but i’m pretty sure !! :)