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"Reason" Words
Geometric Proof
| Term | Definition |
|---|---|
| Bisect | To cut down the middle, split in half, both smaller pieces are congruent. |
| Congruence | The exact same |
| Definition of Congruence | allows you to switch the sign between equal and congruence |
| Midpoint | To cut down the middle, split in half, both smaller pieces are congruent. |
| Linear Pair | two angles that are adjacent and supplementary. (two angles touching on a line) |
| Linear Pair Theorem | If angles are a linear pair, then they are supplementary |
| Supplementary | Adds to 180 |
| Angle Addition Postulate | the measure of the larger angle is the sum of the measures of the two smaller ones. (little plus little equals big) |
| Segment Addition Postulate | the measure of the larger segment is the sum of the measures of the two smaller ones. (little plus little equals big) |
| Perpendicular lines | Two lines that form 90 angles |
| Parallel Lines | two lines that never intersect |
| Right Angles | 90 degrees |
| Vertical Angles | each of the pairs of opposite angles made by two intersecting lines (always congruent) |
| Substitution | Replace one value with an equivalent value |
| Addition, Subtraction, Multiplication, Division Property of Equality | The operation is performed on both sides of the equal sign |
| Reflexive | Exact same on both sides of the equal or congruence sign |
| Symmetric | Flip the equation around |
| Transitive | If 2 things are equal to A, then the two things are equal to each other |
| Simplify | Combine like terms or anything you can type into the calculator |
Created by:
cdyson
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