11) Three of the exterior angles of a hexagon have a sum of 2400. The remaining exterior angles are congruent to each other. Determine the measure of the remaining angles.

a. 30

b. 36

c. 40

d. 45

e. None of the above

12) What is the sum of the measures of the angles of a right triangle?

a. 90

b. 180

c. 60

d. 360

e. None of the above

13) What is the measure of each angle of a regular octagon?

a. 125

b. 135

c. 145

d. 155

e. None of the above

14) What is the sum of the measures of the interior angles of a nonagon?

a. 1260

b. 1620

c. 1980

d. 900

e. None of above

15) The measure of each angle of an equiangular triangle is _______.

a. 180

b. 90

c. 70

d. 60

e. None of the above

Step-by-step explanation:

HOPE IT HELPS