Terms : Hide Images
| 5583870190 | Collinear | Points that lie on the same line |  | 0 |
| 5583870191 | Linear Pair | A pair of adjacent angles whose noncommon sides are opposite rays. |  | 1 |
| 5583870192 | Supplementary angles | Two angles whose sum is 180 degrees |  | 2 |
| 5583870193 | Complementary angles | Two angles whose sum is 90 degrees |  | 3 |
| 5583870194 | Vertical Angles | A pair of opposite congruent angles formed by intersecting lines |  | 4 |
| 5583870195 | Angle addition postulate | If P is in the interior of  5 | | |
| 5583870196 | Segment addition postulate | If B is between A and C, then AB + BC = AC |  | 6 |
| 5583870197 | Congruent | Having the same size and shape | 7 | |
| 5583870198 | Angle bisector | a ray that divides an angle into two congruent angles |  | 8 |
| 5583870199 | Segment bisector | a segment, ray, line, or plane that intersects a segment at its midpoint |  | 9 |
| 5583870200 | Midpoint | A point that divides a segment into two congruent segments |  | 10 |
| 5583870201 | postulate | something accepted as true without proof; an axiom | 11 | |
| 5583870202 | theorem | A mathematical statement which we can prove to be true | 12 | |
| 5583870203 | inductive reasoning | A type of logic in which generalizations are based on a large number of specific observations. Emphasis on experimentation and scientific method | 13 | |
| 5583870204 | deductive reasoning | reasoning in which a conclusion is reached by stating a general principle and then applying that principle to a specific case (The sun rises every morning; therefore, the sun will rise on Tuesday morning.) | 14 | |
| 5583870205 | parallel lines | lines in the same plane that never intersect |  | 15 |
| 5583870206 | conditional statements | A statement that can be written in if-then form. | 16 | |
| 5583870207 | hypothesis | A testable prediction, often implied by a theory An educated guess | 17 | |
| 5583870208 | conclusion | A summary based on evidence or facts | 18 | |
| 5583870209 | triangle sum theorem | The sum of the measures of the interior angles of a triangle is 180 degrees |  | 19 |
| 5583870210 | Transitive property | If a=b and b=c, then a=c |  | 20 |
| 5583870211 | Substitution property | If a=b, then a can be substituted for b in any equation or expression | 21 | |
| 5583870212 | Line segment | A part of a line with two endpoints |  | 22 |
| 5583870213 | Line | 1. A long thin mark on a surface. 2. A continuous extent of length, straight or curved, without breadth or thickness; the trace of a moving point. 3. Long, narrow mark or band. |  | 23 |
| 5583870214 | converse of a conditional statement | When the hypothesis and conclusion are switched. The converse of p ➝ q is q ➝ p. A statement formed by interchanging the hypothesis and the conclusion in a conditional statement. | 24 | |
| 5583870215 | transversal | a line that intersects two or more coplanar lines at different points | 25 | |
| 5583870216 | corresponding angles | Angles formed by a transversal cutting through 2 or more lines that are in the same relative position. |  | 26 |
| 5583870217 | same side interior angles | two interior angles on the same side of the transversal |  | 27 |
| 5583870218 | same side exterior angles | two exterior angles on the same side of the transversal |  | 28 |
| 5583870219 | alternate interior angles | angles between 2 lines and on opposite sides of a transversal |  | 29 |
| 5583870220 | alternate exterior angles | Angles that lie outside a pair of lines and on opposite sides of a transversal. |  | 30 |
| 5583870221 | Acute triangle | A triangle that contains only angles that are less than 90 degrees. |  | 31 |
| 5583870222 | Obtuse triangle | A triangle with one angle that is greater than 90 degrees. |  | 32 |
| 5583870223 | Right triangle | a triangle with one right angle |  | 33 |
| 5583870224 | Isosceles triangle | a triangle with at least two congruent sides |  | 34 |
| 5583870225 | Equilateral triangle | A triangle with three congruent sides |  | 35 |
| 5583870226 | Regular triangle | All congruent sides and angles | | 36 |
| 5583870227 | Scalene triangle | a triangle with no congruent sides |  | 37 |
| 5583870228 | Base angles | Two angles that have the base as a side. | 38 | |
| 5583870229 | Vertex angle | The angle formed by the legs of an isosceles triangle. | 39 | |
| 5583870230 | Point slope equation of a line | y-y1=m(x-x1) |  | 40 |
| 5583870231 | slope formula | y2-y1/x2-x1 |  | 41 |
| 5583870232 | slope intercept form of a line | y=mx + b (m is the slope, b is the y intercept point) |  | 42 |
| 5583870233 | y-intercept | The point where the graph crosses the y-axis |  | 43 |
| 5583870234 | altitude of a triangle | the perpendicular segment from a vertex to the opposite side or to the line that contains the opposite side |  | 44 |
| 5583870235 | perpendicular bisector of a triangle | A line that is perpendicular to a segment at its midpoint. |  | 45 |
| 5583870236 | SAS postulate | If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent. |  | 46 |
| 5583870237 | SSS postulate | If three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent. |  | 47 |
| 5583870238 | ASA postulate | If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent. |  | 48 |
| 5583870239 | AAS postulate | If two angles and a non-included side of one triangle are congruent to two angles and a non-included side of another, then the two triangles are congruent. |  | 49 |
| 5583870240 | HL Postulate | If a hypotenuse and leg of one right triangle are congruent to the corresponding hypotenuse and leg of a second right triangle, then the triangles are congruent. |  | 50 |
