A fraction whose numerator and denominator represent the same quantity but use different units.
The product of numbers diagonal from each other in a comparison of two ratios.
a transformation that enlarges or reduces a figure.
An increase in size of all dimensions in the same proportions.
A comparison of two quantities by division.
A ratio that compares two quantities measured in different units.
A decrease in size of all dimensions.
Angles that have the same measure.
A proportional model of a three-dimensional object.
A unit rate used to compare prices.
The ratio used to enlarge or reduce similar figures.
Figures with the same shape but not necessarily the same size.
A drawing that uses a scale to make an object smaller than (a reduction) or larger than (an enlargement) the real object.