| A | B |
|---|
| scale | the ratio of a given length to actual length of an object |
| cross products | are equal for any proportion |
| dilation | a transformation that enlarges or reduces a figure |
| proportional | two quantities that have a constant ratio or rate |
| rate | a ratio with different units |
| similar | figures that have the same shape but not necessarily the same size |
| congruent | same shape and size |
| ratio | a comparison of two quantities through division |
| unit rate | a rate with a denominator of 1 |
