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36 Cards in this Set
- Front
- Back
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Line |
Infinite series of points in a row. |
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Straight Angle |
An angle that measures 180 degrees |
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Exterior Angle |
Angles that are on the outside. |
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Acute angle |
Above 0 degrees but below 90 degrees |
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Postulate |
A statement that ee assume is true but cannot be proven to be true. |
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Theorem |
A statement that can be proven true by using postulates, definotions, logic, and other theorems. |
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Segment |
A portiin of a line that has two end points |
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Ray |
A portion of a line that has only one endpoint that goes on forever in the opposite diretion |
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Adjacent Angle |
Angles that are beside one another. |
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Parallel lines |
Lines that never intersect or touch |
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Angle |
Two distinct rays that have a common endpoint. |
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Transversal |
A line that crosses two parrallel lines |
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Interior angle |
Angles that are on the inside |
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Circle |
Set of all points equidistant from a point |
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Angle addition postulate |
Angle abc + Angle cbd = angle abd |
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Congruent |
AB =AC then AB =AC |
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Midpoint |
AM =MB |
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Segment addition postulate |
AB + BC =AC |
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Right Angle |
An angle that is exactly 90 degrees |
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Supplementary |
M angle 3 + M angle 4 = 180 degrees |
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Complementary |
M angle 1 +M angle 2 = 90 degrees |
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Segment Bisector |
A line segment, ray, or plane that intersects a segment at its midpoint. |
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Perpindicular |
Lines that intersect and form right angles. |
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Vertical lines |
Angle 2 = Angle 4 |
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Linear pair |
Angle 1 and Angle 2 are supplementary angles |
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Collinear |
Three or more points that lie on the same line. |
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Angle bisector |
A ray that divides an angle into two congruent angles. |
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Distribution POE |
a(b+c) = ab+ac |
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Subtraction POE |
If a=b, then a-c = b-c |
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Symmetric POE |
If a=b, then b=a |
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Multiplication POE |
If a=b, then a×c=b×c |
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Addition POE |
If a=b, then a+c = b+c |
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Transitive POE |
If a=b and b=c, then a=c |
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Division POE |
if a=b, C=0, ths. a/c = b/c |
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Reflective POE |
a=a |
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Substitution POE |
If a=b, then b can replace a in any expression |
