Answer:
33
Step-by-step explanation:
Angles in a triangle add up to 180
So 31 + 116 + m<1 = 180
* Solve for m<1 *
31 + 116 + m<1 = 180
Combine like terms
147 + m<1 = 180
Subtract 147 from both sides
147 - 147 + m<1 = 180 - 147
m<1 = 33
