Answer:
if ∠1 = 34°
then:
∠2 = 180 - 34 = 146° because it is supplementary to ∠1 (supplementary angles total 180°)
∠3 = 146° because it is a vertical angle of ∠2
∠4 = 34° because it is a vertical angle of ∠1
∠1 = 34°
Step-by-step explanation: