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©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM. 1 Mathematics for Elementary Educators - D128 Exam Questions With Correct Answers 100% Verified. Line segment - Answerpart of a line with two endpoints Line - Answerextends indefinitely in both directions point - Answerhas no size, only location ray - Answerextends indefinitely in one direction acute angle - Answeran angle that measures less than 90 degrees right angle - Answeran angle that measures 90 degrees obtuse angle - AnswerAn angle that measures more than 90 degrees but less than 180 degrees straight angle - Answeran angle that measures 180 degrees reflex angle - Answeran angle that is greater than 180 degrees because the angle is bent beyond the straight line supplementary angles - Answertwo angles that add up to 180 degrees complementary angles - Answertwo angles that add up to 90 degrees polygon - Answerclosed figure with at least three straight sides vertex - Answerthe point where two sides meet regular polygon - Answera polygon with all sides and all angles equal irregular polygon - Answera polygon with sides that are not all congruent (same size) quadrilateral - Answera four-sided polygon interior angles - Answeran

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©THESTAR 2024/2025 ALL RIGHTS RESERVED 12:43 PM.




Mathematics for Elementary Educators -
D128 Exam Questions With Correct Answers
100% Verified.



Line segment - Answer✔part of a line with two endpoints

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

1

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