Coordinates, A group of numbers used the indicate the position of a point., Ordered Pairs, Two numbers used to show the position on a graph, where the "x" (horizontal) value is first, and the "y" (vertical) value is second. It is written in the form (x, y)., Coordinate Plane, The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin. Each point in the coordinate plane can be specified by an ordered pair of numbers., Triangle, A plane figure with three straight sides and three angles., Rectangle, A plane figure with four straight sides and four right angles, especially one with unequal adjacent side., Rhombus, A parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides., Parallelogram, A four sided plane figure with opposite sides parallel., Area, The number of square units needed to cover a surface enclosed by a geometric figure.

Module 12 Lesson 4

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