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corresponding angles

angles that are in the same position in two or more similar polygons.

corresponding sides

sides that in the same position in two or more similar polygons.

equivalent ratios

ratios that name the same comparison.

proportion

an equation stating that two equations are equivalent.

rate

a ratio that compares two quantities measured in different units.

ratio

a comparison of two quantities by division.

scale

the ratio between two sets of measurements.

similar

figures that are the same shape but not necessarily the same size.