When you multiply the numerator to a denominator

Ratios with equal value

Used to measure distances that are difficult to measure directly

Is a shape which has 3 or more lines which don't curve

Comparing dos similar ratios

Comparing dos different amounts

Comparing 2 similar amounts

Is an enlarged or reduced drawing or object that is similar to the actual object

Is a ratio that compares a length in a drawing o the length of the actual object

A unit rate that gives the cost per unit is a unit cost

The rate of one unit of a given quantity is a unit rate

Only polygons that are similar