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
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
