Mathematics for Elementary Educators III(WGU D127) Final Exam Questions Fully Answered.

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 opposite sides. interior angle - Answer An angle inside a shape between two joined sides. square - Answer A quadrilateral with four equal sides and four 90° angles. regular polygon - Answer A polygon with equal sides and equal angles. central angle - Answer Shape formed when 2 lines or rays meet with vertex meets only the center point of the circle. hypotenuse - Answer The largest side of a right triangle, opposite the right angle. Only right triangles have a hypotenuse. kite - Answer Quadrilateral with two sets of adjacent equal sides and one set of equal opposite angles.