Mathematics for Elementary Educators III - D127 Questions and answers with complete solution graded A+ (Already passed)

supplementary angles - CORRECT ANS Two angles whose sum is 180 degrees complementary angles - CORRECT ANS Two angles whose sum is 90 degrees polygon - CORRECT ANS A closed figure formed by three or more line segments vertex (vertices) - CORRECT ANS The point at which two lines segments, lines, or rays, meet to form an angle. regular polygon - CORRECT ANS A polygon with equal angles and equal sides. irregular polygon - CORRECT ANS A polygon that does not have all sides equal and all angles equal. quadrilateral - CORRECT ANS a polygon with four sides and four angles interior angle - CORRECT ANS an angle inside a polygon that is formed by two adjacent sides Sum of Interior Angles of a Polygon Formula - CORRECT ANS 180°(