WGU D128 MATHEMATICS FOR
ELEMENTARY EDUCATORS EXAM
STUDY GUIDE 2025/2026 | VERIFIED
QUESTIONS AND DETAILED CORRECT
ANSWERS || 100% PASS ASSURED
<LATEST VERSION>
part of a line with two endpoints - ANSWER line segment
extends indefinitely in both directions - ANSWER Line
has no size, only location - ANSWER point
extends indefinitely in one direction - ANSWER ray
an angle that measures less than 90 degrees - ANSWER acute angle
an angle that measures 90 degrees - ANSWER right angle
An angle that measures more than 90 degrees but less than 180 degrees - ANSWER obtuse
angle
, an angle that measures 180 degrees - ANSWER straight angle
an angle that is greater than 180 degrees because the angle is bent beyond the straight line -
ANSWER reflex angle
two angles that add up to 180 degrees - ANSWER supplementary angles
two angles that add up to 90 degrees - ANSWER complementary angles
closed figure with at least three straight sides - ANSWER polygon
the point where two sides meet - ANSWER vertex
a polygon with all sides and all angles equal - ANSWER regular polygon
a polygon with sides that are not all congruent (same size) - ANSWER irregular polygon
a four-sided polygon - ANSWER quadrilateral
angles on the inside of polygon that form two adjacent sides - ANSWER interior angles
180(n-2). n being the number of sides - ANSWER sum of interior angles of a polygon
two 45 degree angles form what kind of angle? - ANSWER right angle
ELEMENTARY EDUCATORS EXAM
STUDY GUIDE 2025/2026 | VERIFIED
QUESTIONS AND DETAILED CORRECT
ANSWERS || 100% PASS ASSURED
<LATEST VERSION>
part of a line with two endpoints - ANSWER line segment
extends indefinitely in both directions - ANSWER Line
has no size, only location - ANSWER point
extends indefinitely in one direction - ANSWER ray
an angle that measures less than 90 degrees - ANSWER acute angle
an angle that measures 90 degrees - ANSWER right angle
An angle that measures more than 90 degrees but less than 180 degrees - ANSWER obtuse
angle
, an angle that measures 180 degrees - ANSWER straight angle
an angle that is greater than 180 degrees because the angle is bent beyond the straight line -
ANSWER reflex angle
two angles that add up to 180 degrees - ANSWER supplementary angles
two angles that add up to 90 degrees - ANSWER complementary angles
closed figure with at least three straight sides - ANSWER polygon
the point where two sides meet - ANSWER vertex
a polygon with all sides and all angles equal - ANSWER regular polygon
a polygon with sides that are not all congruent (same size) - ANSWER irregular polygon
a four-sided polygon - ANSWER quadrilateral
angles on the inside of polygon that form two adjacent sides - ANSWER interior angles
180(n-2). n being the number of sides - ANSWER sum of interior angles of a polygon
two 45 degree angles form what kind of angle? - ANSWER right angle
