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Definition
| a location in space with no size , 0 detentions |
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Definition
| infinite number of points in a strait pathway |
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| infinite number of points or lines on a flat surface, 2 dimensions, cant be in a line |
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| the collection of all points, 3 dimensions, one must be off the plane |
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| points not on the same line |
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| points and/or lines on the same plane |
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| where things meetor what they have in common |
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| a statement we accept as true without proving it |
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| absolute value of the difference between two points |
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| a beginning point, an end point, and all points in between |
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Definition
| and end point and all points in a strait path in one direction |
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Definition
| two rays with a common end point |
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Definition
| the common end point of two rays |
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Definition
| a device used to measure angles |
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Definition
| unit of measure for angles |
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Definition
| angle between 0 and 90 degrees |
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| between 90 and 180 degrees |
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| same size and shape without rearranging |
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Definition
| average of end points, divides segment into 2 equal pieces |
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Definition
| puts "not" into a sentence |
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Definition
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Term
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Definition
| drop "if and then" and put "if and only if in the middle |
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Term
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Definition
| switch the if and then statements |
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Term
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Definition
| put "not" into both "if and then" statements |
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Term
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Definition
| switch "if and than" and put "not" in both |
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Term
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Definition
| "then" part of a statement |
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Definition
| one example that shows a statement is false |
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Definition
| if A=B and C=D, then A+C = B+D |
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Term
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Definition
| if A=B and C=D, then A-C = B-D |
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Term
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Definition
| if A=B and C=A, then AC = BD |
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Term
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Definition
| if A=B and C≠0, then A÷C = B÷C |
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Term
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Definition
| if A=B, then A and B may be substituted for each other in any inequality |
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| A+(B+C)=(A+B)+C, A(BC)=(AC)C |
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Definition
• must be coplanar
• share a vertex
• share a side
• don't share any interior |
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Term
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Definition
• 2 adjacent angles
• Non-shared sides are opposite rays |
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Definition
| 2 lines that intersect to make a right angle |
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Definition
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Definition
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Definition
| 2 angles formed by crossing lines, equal to each other |
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Definition
| on the same plane, 2 lines that never meet |
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Term
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Definition
| non-coplanar lines, not on the same plane, that never intersect |
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Term
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Definition
| a line that intersects two or more lines not at the same point |
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Term
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Definition
| opposite sides of the Transversal |
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Term
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Definition
• coplanar
• not Linear Pair
• opposite sides of transversal
• between lines |
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Term
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Definition
• coplanar
• not Linear Pair
• opposite sides of transversal
outside lines |
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Term
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Definition
• coplanar
• not Linear Pair
• same side as transversal
• make a Linear Pair
one inside, one outside lines |
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Term
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Definition
| 2 angles not making Linear Pair |
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Term
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Definition
• Inside lines
• Same side as transversal
• make Linear Pair
coplanar |
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Term
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Definition
| makes Linear Pair with an angle of the triangle |
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Term
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Definition
• 3 or more coplanar segments
• endpoint shared by exactly 2 segments
• segments only intersect at endpoint
• no segments are Collinear |
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Definition
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Term
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Definition
| pick 2 points and connect, the segment can go outside of the polygon |
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