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19 Cards in this Set
- Front
- Back
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line segments that have the same length or angles, that have the same measure, or figures that have the same size and shape |
congruent |
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a ratio of two measurements having different units |
rate |
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a constant ratio or unit rate of a proportion |
constant of propitionaility |
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a comparison of two numbers by division |
ration 1 |
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parts of congruent or similar figures that match |
corresponding part |
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the relationship between the measurements on a drawing or model and the measurements of the real objects |
scale |
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if a/c=b/d then ad=bc if ad=bc then a/c=b/d |
cross product |
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a drawing that is used to represent an object that is too large or too small to be drawn at actual size |
scale drawing |
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a transformation that alters the size of a figure but not its shape |
dilation |
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a model used to represent an object that is too large or too small to be built at actual size |
scale model |
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the process of including units of measurement when computing |
dimensional analysis |
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the ratio of length on a scale drawing or model to the corresponding length on the real object |
scale factor |
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using the properties of similar triangles to find measurements that are difficult to measure directly |
indirect measurement |
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figures that have the same shape but not the same size |
similar figures |
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a relationship formed when the product of two variables is a constant |
inverse proportional |
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a rate simplified so that it has a denominator of 1 |
unit rate |
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a relationship where two ratios are not equal |
non proportional |
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the ratios of related terms are equal |
proportional |
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a statement of equality of two or more ratios |
proportion |
