### Language of Geometry

Justin Miller

Definitions of geometry words.

 Ruler device used to measure angles Ray extends in one dimension, usually represented by arrowheads Protractor device used to measure surface areas Point where two rays come together to form an angle Intersecting Lines extends in two dimensions, represented by a shape that looks like a table top Vertex angle of measure Parallel Lines two lines that intersect to form a right angle Straight Angle lines that do not toch each other but run right beside each other Segment an angle with a measure equal to 180 degrees Midpoint distance between two points on a line Perpundicular Lines consists of two different rays tht have the same initial point Plane the point that divides or bisects a segment into two congruent segment Degree one or more sets of lines that cross each other Line part of a line that consists of a point Right Angle an angle with a measure equal to 90 degrees Angle represented by a small dot

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