Sheila drew the diagram below. Based on the diagram, which statement is true?
A The measure of an exterior angle of a triangle, angle is equal to the sum of the measures of the two
non-adjacent interior angles of the triangle, angle A and angle B.
B The sum of the measures of the interior and exterior angles of a triangle is always 180°
c The measure of an exterior angle of a triangle, angle C is less than the sum of the measures of the two
non-adjacent interior angles of the triangle, angle A and angle B.
D The sum of the measures of the interior and exterior angles of a triangle is always 360°.