Answer:
Step-by-step explanation:
<4 = <2 = 43° (vertical angles are equal)
<1 = <3 (vertical angles are equal)
<1 + <4 = 180 (supplementary angles, sum = 180)
So
<1 + 43 = 180
<1 = 180 - 43
<1 = 137°
Answer
<2 = 43°
<3 = 137°
