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15 Cards in this Set
- Front
- Back
inductive reasoning
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1. look for a pattern
2. make a conjecture (unproven statement based on observations) 3. verify the conjecture |
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conjecture
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an unproven statement based on observations
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colinear points
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points that lie on the same line
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coplanar points
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points that lie on the same plane
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intersection
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set of points the figures have in common
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postulates
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rules accepted without proof
synonym=axioms |
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axioms
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rules accepted without proof
synonym=postulates |
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theorems
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rules that are proved
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distance formula
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formula for computing the distance between two points in a coordinate plane
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congruent segments
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segments that have the same length
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angle
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2 rays that have the same initial point (vertex)
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vertex
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initial point of angle
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RULER POSTULATE
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the points on a line can be matched one to one with real numbers. the real number that corresponds to a point is the coordinate of the point.
The distance between points A and B, written as AB, is the absolute value of the difference between the coordinates of A and B. |
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SEGMENT ADDITION POSTULATE
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If B is between A and C, then AB + BC = AC. If AB + BC = AC, then B is between A and C
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ANGLE ADDITION POSTULATE
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if P is in the interior of angle RST, then angle RSP + angle PST = angle RST
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