NA = 360
The measure A, in degrees, of an exterior angle of a regular polygon is related to the number of sides, n, of the polygon by the formula above. If the measure of an exterior angle of a regular polygon is greater than 90°, what is the measure of the interior angle of the polygon with the greatest number of sides allowed by these conditions?
(A) 30º
(B) 60º
(C) 90º
(D) 120º