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Definition
| The angles that occupy the same relative position at each intersection where a straight line crosses two others |
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Term
| alternate interior angles |
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Definition
| congruent angles formed by two parallel lines cut by a transversal; located on opposite sides of the transversal between the parallel lines |
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| alternate exterior angles |
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Definition
| When two parallel lines are cut by a transversal, the two pairs of angles on opposite sides of the transversal and outside the parallel lines, and the angles in each pair are congruent |
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Term
| same side interior angles |
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Definition
| Two angles that are between the two parallel lines and are also on the same side of the transversal |
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Definition
| Identical in form; coinciding exactly when superimposed |
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Definition
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| Each of the pairs of opposite angles made by two intersecting lines |
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Definition
| an angle less than 90 degrees but more than 0 degrees |
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Term
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Definition
| an angle between 90 and 180 degrees |
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Definition
| An angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines |
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Definition
| the intersection of two lines |
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Definition
| A path through two or more points |
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Definition
| a straight line extending from a point |
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Definition
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Definition
| Lying in the same straight line |
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Definition
| a common ray coming out of the vertex going between two other rays |
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Definition
| A flat surface on which a straight line joining any two points on it would wholly lie. |
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Term
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Definition
| Each of the parts into which something is or may be divided. |
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Definition
| A continuous area or expanse that is free, available, or unoccupied |
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Term
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Definition
| Either of two angles whose sum is 90° |
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Definition
| A line or curve that bisects or divides a line segment, angle, or other figure into two equal parts |
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Definition
| Straight lines that point in the same direction and theoretically never converge. |
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Definition
| Two planes that will never intersect. |
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Definition
| At an angle of 90° to a given line, plane, or surface |
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Term
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Definition
| Intersecting a system of lines |
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Term
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Definition
| true for only certain values of the variable, as x + 3 > 0 is only true for real numbers greater than −3. |
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Definition
| something opposite or contrary. |
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Term
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Definition
| an example that refutes an assertion or claim. |
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Term
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Definition
| containing terms of which an increase in one results in a decrease in another. A term is said to be in inverse proportion to another term if it increases (or decreases) as the other decreases (or increases). |
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Term
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Definition
| of or pertaining to contraposition. |
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Term
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Definition
| asserting that the existence or occurrence of one thing or event depends on, and is dependent on, the existence or occurrence of another, as “A if and only if B |
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Definition
| an amount of space between two things |
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Definition
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Definition
| the longest side of a right triangle |
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Definition
| A list of numbers or objects in a special order |
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Term
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Definition
| Things that are arranged following a rule or rules |
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Term
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Definition
| Recursive formula is a formula that is used to determine the next term of a sequence using one or more of the preceding terms. |
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Term
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Definition
| a function whose values may be computed directly, as y = x + 1 |
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