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19 Cards in this Set
- Front
- Back
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Point |
the tapered, sharp end of a tool, weapon, or other object. |
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Lines |
a long, narrow mark or band. |
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Adjacent Angles |
angles that have a common side and a common vertex (corner point), and don't overlap. |
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Planes |
a flat surface on which a straight line joining any two points on it would wholly lie. |
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Collinear |
lying in the same straight line. |
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Coplanar |
in the same plane. |
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Segments |
each of the parts into which something is or may be divided. |
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Congruent Midpoint |
the same exact middle point |
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Segment Bisector |
Any segment, line, or plane that intersects a segment at its midpoint. |
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Ray |
each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening. |
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Opposite Rays |
two rays that have the same endpoint and extend in opposite directions. |
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Angle |
the space (usually measured in degrees) between two intersecting lines or surfaces at or close to the point where they meet. |
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Angle Bisector |
a line or ray that divides an angle into two congruent angles. |
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Linear Pair |
a pair of adjacent, supplementary angles. |
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Vertical Angles |
each of the pairs of opposite angles made by two intersecting lines. |
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Complementary Angles |
either of two angles whose sum is 90°. |
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Supplementary Angles |
either of two angles whose sum is 180°. |
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Parallel Lines |
two lines that are always the same distance apart and never touch. |
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