| Term 
 | Definition 
 
        | Indicates a location and has no size |  | 
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        | Term 
 | Definition 
 
        | A ray that divides an angle into two congruent parts |  | 
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        | Term 
 | Definition 
 
        | These are formed when two straight lines intersect |  | 
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 | Definition 
 
        | An angle whose measure s 180 degrees |  | 
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 | Definition 
 
        | The common endpoints of 2 rays that form an angle |  | 
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        | Term 
 | Definition 
 
        | The absolute value of the difference of the coordinates of two points |  | 
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        | Term 
 | Definition 
 
        | A part of a line that consists of one |  | 
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        | Term 
 | Definition 
 
        | Points that lie on the same line |  | 
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        | Term 
 | Definition 
 
        | The sum of the lengths of the sides of a polygon |  | 
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        | Term 
 | Definition 
 
        | The size of a surface or the amount of space inside the boundary of a flat z-dimensional object |  | 
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        | Term 
 | Definition 
 
        | The distance around a circle |  | 
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        | Term 
 | Definition 
 
        | A straight line going through the center of a circle connecting two points of the circumference |  | 
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        | Term 
 | Definition 
 
        | The distance from the center to the edge of a circle |  | 
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        | Term 
 | Definition 
 
        | reasoning based on patterns you observe |  | 
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        | Term 
 | Definition 
 
        | a conclusion you reach after using inductive reasoning |  | 
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        | Term 
 | Definition 
 
        | an example that shows a conjecture to be untrue. |  | 
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        | Term 
 | Definition 
 
        | a compound sentence usually formed by using the words "If...then" to combine two simple sentences. |  | 
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        | Term 
 | Definition 
 
        | The "p" part of the implication that follow "if" |  | 
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        | Term 
 | Definition 
 
        | The "q" part of the implication that follows "then" |  | 
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        | Term 
 | Definition 
 
        | lines that never intersect. the symbol is || |  | 
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        | Term 
 | Definition 
 
        | lines that are not parallel and do not intersect |  | 
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        | Term 
 | Definition 
 
        | Planes that do not intersect |  | 
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        | Term 
 | Definition 
 
        | a line that intersect two or more lines at distinct points |  | 
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        | Term 
 
        | Alternate Interior angles |  | Definition 
 
        | nonadjacent interior angles that lie on opposite sides of the transversal |  | 
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        | Term 
 
        | Same-side interior angles |  | Definition 
 
        | interior angles that lie on the same side of the transversal |  | 
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        | Term 
 | Definition 
 
        | angles that lie on the same side of the transversal at and in corresponding position |  | 
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        | Term 
 
        | Alternate Exterior angles |  | Definition 
 
        | nonadjacent exterior angles that lie on opposite sides of the transversal |  | 
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