Sagot :
Letter C. 40° because to find the measure of one exterior angle of any regular (all angles are congruent) polygon, divide 360 by the number of angles. So nonagon have 9 angles, 360 ÷ 9 is equal to 40.
Theerefore, the answer is letter C. 40°
Letter C. 40° because to find the measure of one exterior angle of any regular (all angles are congruent) polygon, divide 360 by the number of angles. So nonagon have 9 angles, 360 ÷ 9 is equal to 40.
Theerefore, the answer is letter C. 40°