Answer: M is the angle.
Explanation: If you look at it, A+B+C+D can equal a few things, but you mostly get (M) because m L BEA =62^• may be true. But it equals m
Step-by-step-helper: A+B+C+D=? A+B=b over a, so C+D= d over c. M+__=? just m. So the answer is m.