D127 wgu - Study guides, Class notes & Summaries

What does the arrow on a ray signify? - It extends indefinitely Acute angles measure - less than 90 degrees Right angles measure - exactly 90 degrees Obtuse angles measure - greater than 90 degrees, but less than 180 degrees Straight angles measure - exactly 180 degrees Reflex angles measure - greater than 180 degrees Supplementary angles are - two angles whose sum is equal to 180 degrees Complementary angles are - two angles whose sum is equal to 90 degrees Two angles are complementary....

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 points that are equidistant from a point. radius - Answer- The distance from the center of a circle or sphere to any point on the outer edge. isosceles trapezoid - Answer- Quadrilateral with one pair of parallel opposite sides (the bases) and another pair of eq...

WGU D127 - Mathematics for Elementary Educators III Questions And Answers acute angle - Answer-Angles less than 90°. /.addition rule of probability - Answer-For mutually exclusive events A and B, P(A or B) = P(A) + P(B) /.adjacent - Answer-Next to. /.angle - Answer-The amount of rotation (often measured in degrees) needed to make one line segment, ray, or line identical with another line segment, ray, or line. /.apex - Answer-A point opposite the base of a pyramid. In a right p...

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 points that are equidistant from a point. radius - answer-The distance from the center of a circle or sphere to any point on the outer edge. isosceles trapezoid - answer-Quadrilateral with one pair of parallel opposite sides (the bases) and another pair of equal o...

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 points that are equidistant from a point. radius - Answer-The distance from the center of a circle or sphere to any point on the outer edge. isosceles trapezoid - Answer-Quadrilateral with one pair ...