Answer :
This is the correct answer for this question: The angle of M is 41. Hope this helps answer your question.
57 + 2x + x = 180
57 + 3x = 180
3x = 180 - 57
3x = 123
x = 4
So, the angle of M is 41
57 + 2x + x = 180
57 + 3x = 180
3x = 180 - 57
3x = 123
x = 4
So, the angle of M is 41