Answer:
1.180
2.50
3.56
Step-by-step explanation:
M<4,M<2 and M<5 have to add up to 180 as a result of being a parallel line.
Making m<2 50 since 46°+84=130, 180-130=50.
Since m<1 is 74 and knowing m<2 is 50 74+50=124 180-124=56 m<3=56
Therefore 1,2,3 =180°
