I think 71 is B
and 72 is D.
Answer:
They are congruent, they are right angles
Step-by-step explanation:
Just in general, all vertical angles are congruent.
But in this situation, perpendicular lines will always create right angles.
Answer:
look at the pictures
Step-by-step explanation:
HOPE THIS helps
Answer:alkjfldks;ajfla;ksdjf;ladskjf;lkadsj
Step-by-step explanation: