| Term | Definition |
|---|
| dimensions | length, width and height |
| perimeter | the distance around a polygon |
| area | a measurement that describes the number of square units that cover a surface |
| volume | The number of cubic units that fills the interior of a solid |
| dilation | A transformation that either enlarges or reduces a figure to make a similar image |
| ratio | a comparison of two quantities. |
| proportion | noun, An equation starting that two ratios are equivalaent. |
| scale factor | The ratio of a distance measured on a scale drawing to the corresponding distance measured on the actual object. |
| similar figures | Figures that have the same shape but different sizes; their sides are proportional, while their corresponding angles are equal |
| radius | the length of a line segment between the center and circumference of a circle or sphere |
| diameter | the length of a straight line passing through the center of a circle and connecting two points on the circumference |
| solid figure | a three-dimensional shape |
| plane figure | a two-dimensional shape |
| tripled | multiplying by three |
| doubled | multiplying by two |
| enlargement | dilation is this if scale factor is greator than 1 |
| reduction | A dilation with a scale factor less than 1. |
| congruent figures | figures that have the same size and shape |
| circumference | The distance around a circle |
| proportional | (adj.) Having a constant relation in degree or number |
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