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Definition
| Two rays that meet at a common vertex. |
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| The point where two rays meet to form an angle. |
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Definition
| An angle measuring between 0 and 90 degrees. |
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Definition
| An angle measuring between 90 and 180 degrees. |
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Definition
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Definition
| Two lines that are not in the same plane. |
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Term
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Definition
| Two lines in the same plane that meet at a point. |
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Definition
| Two angles whose sum is 90 degrees. |
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Definition
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Definition
| Two angles whose sum is 180 degrees. |
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Definition
| Two angles who share a common side and vertex. |
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Definition
| Two opposite, congruent angles that are formed by a pair of intersecting lines. |
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Definition
| Two angles that are both adjacent and supplementary. |
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Definition
| A line that intersects a pair of parallel lines. |
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Definition
| Two angles in the same relative position to a transversal and two parallel lines. |
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Term
| Alternate Interior Angles |
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Definition
| When two lines are cut by a transversal, these two congruent angles are both inside the parallel lines but are on opposite sides of the transversal. |
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Term
| Alternate Exterior Angles |
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Definition
| When two lines are cut by a transversal, these two congruent angles are both outside the parallel lines but are on opposite sides of the transversal. |
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Term
| Same Side Interior Angles |
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Definition
| When a transversal cuts a pair of parallel lines, these two supplementary angles are on the same side of the transversal and both inside the parallel lines. |
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Term
| Same Side Exterior Angles |
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Definition
| When a transversal cuts a pair of parallel lines, these two supplementary angles are on the same side of the transversal and both outside the parallel lines. |
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Term
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Definition
| A type of logic statement with a hypothesis and conclusion. |
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Term
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Definition
| An example that shows a conjecture is false. |
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Term
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Definition
| The negative of a statement. |
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Term
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Definition
| The statement formed when you negate both the hypothesis and the conclusion. p' - q' |
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Term
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Definition
| The statement formed by switching the hypothesis and conclusion of the conditional statement. q - p |
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Term
| Contrapositive of a Statement |
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Definition
| The statement formed when you negate the hypothesis and conclusion of the converse of the statement. q' - p' |
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