Respuesta :

n0stal6ic

Answer:

D is the correct answer.

Step-by-step explanation:

The lines are perpendicular as they go thiugh eachother at the center.

angle46089

Answer:

4.) D

Step-by-step explanation:

A ( I'm not sure how to explain A )

B is an acute angle

C is a parallel line

D is a perpendicular line

I hope this helps!