Answer:
m<1 = 87
m<2 = 45
m<3 = 45
m<4 = 52
Step-by-step explanation:
if BC intersects <ACD then that means angle 2 and 3 = 90
so that being angle 2 and 3 are the same
now you do 180-(45+48) = 87
now same thing but 180-(45+83) = 52
