Proportions can be used to compare lengths of different sized shapes. To work out how much bigger a shape is compared to a smaller one, divide the bigger length by the corresponding smaller length.

Common Core Geometry emphasizes a deep understanding of geometric transformations, including dilations. Homework problems ...

A scale factor can be used to create maps and other scale diagrams. When things are too big to draw on paper, scale factors are used to calculate smaller, proportional measurements. Floor plans for ...