The polygon shown is a pentagon, a five-sided polygon.
There is a formula to find the sum of the measures of the interior angles of any polygon.
S = (n - 2)180
S = sum of the measures of the interior angles
n = number of sides
This is a pentagon, so it has 5 sides. n = 5
We can find the sum, S, of the measures of the angles of any pentagon.
S = (n - 2)180
S = (5 - 2)180
S = 3(180)
S = 540
The sum of the measures of the interior angles of a pentagon is 540 deg.
Now we add all the measures that are shown and subtract from the sum of the measures. That will give us the measure x.
104 + 117 + 100 + 124 = 445
540 - 445 = 95
x = 95