1. how many pairs of vertical angles are there?
a. 16
b. 4
c. 6
d. 8

2. how many linear pairs are there?
a. 16
b. 8
c. 6
d. 4

3. which of these angles is congruent to angle 5?
a. angle 7
b. angle 4
c. angle 1
d. angle 6

4. what do you call angles 1 and 7?
a. alternate exterior angles
b. same side interior angles
c. alternate interior angles
d. corresponding angles

ps: correct ans=brainliest
nonsense=report​