| A | B |
| similar figures | figues that have the same shape |
| ratio | a comparison of two quantities |
| scale factor | indicates the ratio size of 2 figures |
| congruent figures | figures with the same size and the same shape |
| corresponding sides | same location on correspoding figures |
| proportion | two equal ratios |
| cross products | the numerator of one ratio multiplied bt the denominator of the other |
| rate | ratio that compares a quantity to 1 unit uit |