Answer:
I wish I were to know
Step-by-step explanation:
Sorry bub If only I knew...
X equals 31 in the equation
we know that
The sum of all interior angles in the polygon is equal to the formula

where
n is the number of sides of the polygon
In this problem we have

substitute the value in the formula

<u>Find the value of x</u>

therefore
<u>the answer is</u>
the measure of x is 