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30 Cards in this Set
- Front
- Back
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Point |
Has Position, No dimension |
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Line |
Infinite collection of points Extends in 1 direction Points on the same line are collinear |
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Line Segment |
2 endpoints |
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Ray |
1 endpoint |
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Angle |
Formed by 2 rays with a common vertex |
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Acute angle |
Less than 90 degrees |
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Right angle |
90 degrees |
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Obtuse angle |
Greater than 90 degrees, less than 180 degrees |
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Reflex angle |
Greater than 180 |
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B and B |
Vertical Angles |
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Vertical Angles |
Congruent When two angles for two pairs of opposite rays |
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Linear Pair |
Supplementary Two adjacent angles who's non-common sides are opposite |
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Supplementary |
Sum to 180 degrees |
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Complementary |
Sum to 90 degrees |
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Postlulate |
Theorum |
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If 2 lines intersect to form a linear pair of congruent angles... |
the lines are perpendicular |
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If 2 sides of 2 adjacent, acute angles are perpendicular... |
the angles are complementary |
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Same side interior or "consecutive" Angles |
Supplementary |
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Parallel Lines' Slope |
The same |
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Perpendicular Lines' Slope |
Negative Reciprocal |
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Reciprocal |
Reverse A/B=B/A |
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A set |
A collection of items |
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Set Notation |
A={set elements} |
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Is an element of |
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Is not an element of |
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Universal Set |
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Empty Set |
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Union |
Everything that is in either of the sets |
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Intersect |
Things that are only in both of the sets |
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Complement |
Everything that is not |
