Answer:
84
Step-by-step explanation:
It is a pentagon. Sum of the interior angles of a regular polygon is given by 180(n-2) where n is the number of sides of the polygon. For a Pentagon, n=5. This makes its interior sum 180(5-2)=540
This implies, 131+108+107+110+x=540
456+x=540
x=540-456
x=84
