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17 Cards in this Set
- Front
- Back
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Point
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An exact location. It is the building block of geometry.
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Line
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A series of points with no end.
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Ray
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Part of a line with only one endpoint that extends without end in one direction
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Congruent
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Figures that have the same measure.
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Bisect
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A line segment that divides something in half.
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Angle Bisector
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A line segment that divides an angle into two congruent angles.
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Vertex
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The common endpoint of two rays that form an angle.
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Acute Angle
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An angle with a measure of less than 90˚.
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Obtuse Angle
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An angle with a measure greater than 90˚ but less than 180˚.
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Right Angle
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An angle with a measure of exactly 90˚.
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Straight Angle
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An angle with a measure of exactly 180˚.
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Complementary Angles
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Two or more angles with a sum of 90˚.
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Supplementary Angles
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Two or more angles with a sum of 180˚.
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Perpendicular Lines
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The intersection of two lines that form a right angle.
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Skew Lines
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Two Lines in different planes that never intersect
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Parallel Lines
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Lines on the same plane that never intersect.
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Degree
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The unit of measure for an angle.
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