| A | B |
|---|
| similar shapes | figures with the same shape but not necessarily the same size |
| corresponding angles (for lines) | angles in the same position formed when a third line intersects two lines |
| corresponding sides | matching side of two or more polygons |
| indirect measurement | the technique of using similar figures and proportions to find a measure |
| scale drawing | a drawing that uses a scale to make an object smaller than or larger than the real object |
| scale | the ratio between two sets of measurements. |
| radius | a line segment with one endpoint at the center of a circle and the other endpoint on the circle, or the length of that segment |
| diameter | a line segment that passes through the center of a circle and has endpoints on the circle, or the length of that segment |
| circumference | the distance around a circle |
