1) Find the sum of the interior angles of a polygon with 12 sides.

a. 1440
b. 1980
c. 1800
d. 3420
e. None of the above

2) If the sum of the measures of four exterior angles of a pentagon is 270°, what is the measure of the fifth exterior angle?

a. 70°
b. 90°
c. 45°
d. 30°
e. None of the above

3) How many sides does a polygon have if the sum of the interior angles is 900?

a. 6 sides
b. 8 sides
c. 7 sides
d. 9 sides
e. None of the above

4) What is the measure of one exterior angle of a regular polygon with 8 sides?

a. 135°
b. 45°
c. 1440°
d. 360°
e. None of the above

5) How many sides does a regular polygon have if the measure of one exterior angle is 72°?

a. 5
b. 6
c. 7
d. 9
e. None of the above​