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23 Cards in this Set
- Front
- Back
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Lines in the same plane which do not intersect
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Parallel
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Lines which share ONE point in common
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Intersecting
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Lines which do not lie in the same plane, do not intersect, are not parallel
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Skew
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Is a location in space; has no size
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Point
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Series of points which extends in both directions without end
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Line
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Is a flat surface with no thickness, extends in all directions
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Plane
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Part of a line with two endpoints
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Line segment, or segment
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Part of a line with one endpoint
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Ray
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Two rays with the same endpoint
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Angle
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Share a vertex and a side but no interior endpoints
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Adjacent Angles
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Have the same measure
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Congruent Angles
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Are formed by intersecting lines, opposite each other, congruent
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Vertical Angles
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Angles whose measures add up to 180 degrees
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Supplementary Angles
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Angles whose measures add up to 90 degrees
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Complementary Anlges
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A line which intersects two other lines at different points
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Transversal
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Lie on the same side of the transversal in corresponding positions
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Corresponding Angles
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Are in the same interior of a pair of lines opposite sides of the transversal
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Alternate Interior Angles
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Two sides are congruent
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Isosceles
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NO sides are congruent
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Scalene
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All sides are congruent
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Equilateral
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It has one right angle which is 90 degrees
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Right
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All angles are acute they are all less than 90 degrees
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Acute
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One _____ angle which means it's greater than 90 degrees
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Obtuse
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