6. The interior angles of an irregular hexagon are: 80° 130", 102° 36°x and 146
What is the measure of angle x?
a 224
b. 225
C. 226
d. 227
7. What is the name of a polygon whose each interior angle is 140 ?
a. Decagon
d. octagon
nonagon
d. undecagon
8. The sum of the exterior angles of any polygon is
a. 360
b. 1809
6.540
d. 7209​