Answer:
m<1 = 133°; m<2 = 47°; m<3 = 133°
Explanation:
<4 and <2 are vertical angles.
m<2 = m<4 = 47°
<4 and <1 form a linear pair.
m<1 + m<4 = 180°
m<1 + 47° = 180°
m<1 = 133°
<1 and <3 are vertical angles.
m<3 = m<1 = 133°
Answer: m<1 = 133°; m<2 = 47°; m<3 = 133°