WGU D128 MATHEMATICS FOR ELEMENTARY EDUCATORS OA EXAM SCRIPT 2026 COMPLETE QUESTIONS AND SOLUTIONS 100% CORRECT

WGU D128 MATHEMATICS FOR ELEMENTARY
EDUCATORS OA EXAM SCRIPT 2026
COMPLETE QUESTIONS AND SOLUTIONS
100% CORRECT


◉ Line. Answer: extends indefinitely in both directions


◉ point. Answer: has no size, only location


◉ ray. Answer: extends indefinitely in one direction


◉ acute angle. Answer: an angle that measures less than 90 degrees


◉ right angle. Answer: an angle that measures 90 degrees


◉ obtuse angle. Answer: An angle that measures more than 90 degrees
but less than 180 degrees


◉ straight angle. Answer: an angle that measures 180 degrees

, ◉ reflex angle. Answer: an angle that is greater than 180 degrees
because the angle is bent beyond the straight line


◉ supplementary angles. Answer: two angles that add up to 180 degrees


◉ complementary angles. Answer: two angles that add up to 90 degrees


◉ polygon. Answer: closed figure with at least three straight sides


◉ vertex. Answer: the point where two sides meet


◉ regular polygon. Answer: a polygon with all sides and all angles equal


◉ irregular polygon. Answer: a polygon with sides that are not all
congruent (same size)


◉ quadrilateral. Answer: a four-sided polygon


◉ interior angles. Answer: angles on the inside of polygon that form two
adjacent sides


◉ sum of interior angles of a polygon. Answer: 180(n-2). n being the
number of sides