WGU D127 - Mathematics for Elementary Educators III Exam Study Guide
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Course
2024/2025
Institution
2024/2025
WGU D127 - Mathematics for
Elementary Educators III Exam Study
Guide
line - Answer-A straight one-dimensional figure that extends infinitely in both directions.
perpendicular - Answer-Describes lines intersecting each other to form a 90 degree, or right,
angle.
circle - Answer-The set of all ...
irregular polygon - Answer✔✔-A polygon whose sides are not all equal and whose angles have
different measures.
straight angle - Answer✔✔-An angle that measures 180 degrees.
line segment - Answer✔✔-Shortest distance between two points; completely straight with two
endpoints.
rectangle - Answer✔✔-Quadrilateral with four right angles, equal opposite sides, and two sets
of parallel opposite sides.
sector - Answer✔✔-A portion of a circle defined by two radii and an intercepted arc.
triangle inequality theorem - Answer✔✔-For every triangle, the sum of any two sides is always
greater than the third side.
parallelogram - Answer✔✔-Quadrilateral with opposite, parallel, equal sides and equal opposite
angles.
ray - Answer✔✔-A line with a single endpoint (or point of origin) that extends infinitely in the
other direction.
acute angle - Answer✔✔-Angles less than 90°.
equilateral triangle - Answer✔✔-A triangle with three equal sides and three angles of 60
degrees each.
x-axis - Answer✔✔-The horizontal line that passes through the origin on a coordinate plane.
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