Right Angle - An angle that measures exactly 90 degrees and forms a square corner., point - An exact location in space., line - A straight path of points that goes on and on in opposite directions., Line Segment - A part of a line with two endpoints., Ray - A part of a line that has one endpoint and continues on forever in one direction., Acute Angle - An angle that is open less than 90 degrees., Obtuse Angle - An angle that is open more than a right angle, but less than a straight angle., Straight Angle - An angle that forms a straight line., Trapezoid - A quadrilateral with only one pair of parallel sides., Protractor - A tool that is used to measure and draw angles., Angle - A figure formed by two rays, sharing a common endpoint (called the vertex)., Vertex - The common endpoint of the rays that form the angle., parallelogram - A quadrilateral that has two pairs of parallel sides., square - is a quadrilateral that has four right angles and all sides are the same length., rectangle - A quadrilateral that has four right angles., rhombus - A quadrilateral that has opposite sides that are parallel and all of its sides are the same length, line symmetric - The line on which a figure can be folded so both halves are the same., scalene triangle - A triangle with no sides that are the same length, trapezoid - A quadrilateral with only one pair of parallel sides,

Geometry vocabulary

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