click below
click below
Normal Size Small Size show me how
Chapter 4 Vocab MATH
| Term | Definition |
|---|---|
| Acute Triangle | A triangle which all of the angles are acute |
| Base Angles | The angles on a triangle that are opposite of the legs |
| Congruent Polygons | A polygon that has all sides equal |
| Corollary | A statement that can be easily proved using a therom |
| Hypotenuse | The side on a right triangle that is across from the 90 degree angle |
| Equiangular Triangle | A triangle with all angles being equal |
| Equilateral Triangle | A triangle with all sides being equal |
| Isosceles Triangle | A triangle with at least 2 sides that are congruent. |
| Obtuse Triangle | A triangle with an obtuse angle |
| Perpendicular Bisector | A line, segment, or ray that passes through the midpoint that is perpendicular to the side |
| Right Triangle | A triangle with a right angle. A triangle with a 90 degree angle |
| Scalene Triangle | A triangle with no sides that are congruent |
| Complementary Angles | 2 angles with measures that equal 90 degrees |
| Supplementary Angles | 2 angles with measures that equal 180 degrees |
| Vertical Angles | 2 nonadjacent angles that are formed by 2 intersecting lines |
| Segment | A measureable part of a line that has 2 endpoints and all the points in-between them |
| Conditional | A statement that can be written in if-then form |
| Converse | The statement formed by exchanging the hypothesis and conclusion of a conditional statement |
| Biconditional | The conjunction of a conditional statement and its converse |
| Counterexample | An example to show that a given statement is not always true |
| Deductive Reasoning | Reasoning that uses facts, rules, definitions or properties to reach logical conclusions |
| Inductive Reasoning | Reasoning that uses a number of specific examples to get a prediction |
| Negation | The opposite of a statement. If a statement is represented by P ,then not P is the negation |
| Postulate | A statement that is accepted as true without proof |
| Theorem | A statement or conjecture that can be proven by undefined terms, definitions, and postulates |
| Truth Value | The truth or falsity of a statement |
| Parallel Lines | Complainer lines that don't intersect |
| Perpendicular Lines | Lines that form right angles |
| Skew Lines | Lines that do not intersect and are not coplanar |
| Transversal | A line that intersects two or more lines in a plane. |