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Medlen U2-3 Vocab
Vocab Terms
| Term | Definition |
|---|---|
| Law of Detachment | If a conditional is true and its hypothesis is true, then its conclusion is true. |
| Conditional | Another name for an if – then statement |
| Supplementary | Two angles whose measures have a sum of 180 |
| Converse | A conditional switches the hypothesis and the conclusion |
| Hypothesis | The part of a conditional following if |
| Negation | A statement that has the opposite truth value |
| Complementary | Two angles whose measures have a sum of 90 |
| Deductive Reasoning | The process of reasoning logically from given statements to a conclusion |
| Adjacent | Two angles that share a common side. |
| Formal Proof | A proof that contains statements and reasons organized into two columns is a |
| Venn Diagram | A diagram that uses circles to illustrate conditionals |
| Inverse | Negates both the hypothesis and conclusion of a conditional statement |
| Law of Syllogism | Allows you to state a conclusion from two true conditional statements when the conclusion of one statement is the hypothesis of the other statement. |
| Conclusion | The part of a conditional following then |
| Vertical Angles | Two angles formed by intersecting lines |
| Counterexample | An example or instance of the statement that makes the statement false. |
| Equivalent Statements | Statements with the same truth value |
| Truth Value | A conditional is either true or false |
| Contrapositive | Switches and negates both the hypothesis and conclusion of a conditional statement. |
| Inductive Reasoning | Reasoning based on patterns you observe. |
| Algebraic Proof | A proof that is made up of a series of algebraic statements |
| Transversal | A line that intersects two coplanar lines at two distinct points. |
| Isosceles Triangle | A triangle that has at least two sides congruent. |
| Scalene Triangle | A triangle that has no sides congruent. |
| Alternate Interior Angles | Non-adjacent interior angles that lie on opposite sides of a transversal. |
| Same Side Interior Angles | Angles that lie on the same side of a transversal and between two lines. |
| Corresponding Angles | Angles that lie on the same side of a transversal in corresponding positions. |
| Equiangular Triangle | A triangle that has all angles congruent. |
| Alternate Exterior Angles | Non-adjacent exterior angles that lie on opposite sides of a transversal. |
| Acute Triangle | A triangle that has all acute angles. |
| Point Slope Form | What form is the following equation? y-y1=m(x-x1) |
| Exterior Angle | An angle formed by a side and an extension of an adjacent side. |
| Polygon | A closed plane figure with at least three sides that are segments. |
| Convex Polygon | A polygon that has no diagonal with points outside the polygon. |
| Slope Intercept Form | What form is the following equation? y=mx+b |
| Concave Polygon | A polygon with at least one diagonal with points outside the polygon |
| Equilateral | A polygon with all sides congruent. |
| Right Triangle | A triangle that has one right angle. |
| Obtuse Triangle | A triangle that has one obtuse angle. |
| Equilateral Triangle | A triangle that has all sides congruent. |
| Equangular Polygon | A polygon with all congruent angles. |
| Regular Polygon | A polygon with both congruent angles and congruent sides. |
| Standard Form | What form is the following equation? Ax+By=C |
| Remote Interior Angles | For each exterior angle there are two nonadjacent interior angles called these. |
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