Respuesta :

Its a right angle which is 90° so it all has to add to 90.
3x-11+56=90
Simplify
3x+45=90
-45 from both sides
3x=45
Divide both sides by 3
x=15
Angle MNQ is 3x-11
Substitute x in
3(15)-11
45-11=34
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