Answer:
angle AMB is 54
Explanation:
2x+ x+9= 90
simplify and get 27
I put 90 in RHS Because The total equals to 90.
if you want to check your work, Do this-
we have the value of x which is 27
so substitute the values and angle AMB will be 54.
Angle BMC will be 36
add them and should get 90.