Answer:
10
Step-by-step explanation:
sorry if im wrong :(
15m + 5m + 12m
20m+12m
=4mx(5+3)
126
A line is 180 degrees. I found the degree of the angles in-between 126 and M by subtracting 126 from 180. This means that M is also 126. (Plus the intersecting lines are parallel)
