Question

Hep please... geometry.

Answer 1

The sum of a polygon's interior angles =
(Number of Sides -2) • 180 degrees
(6-2) * 180 =
4 * 180
= 720 degrees
All the angles should sum to 720 degrees

112 + 120 + 133 + 128 + 100 + x = 720
x = 720 -593
x = 127 degrees

Source:
http://www.1728.org/polygon.htm