Corresponding Sides

In similar figures, the sides opposite the angles that have the same measure.

Examples

In the figure below, triangles ABC and A'B'C' are congruent; sides AB and A'B' are corresponding.

cotes_homologues

In the figure below, quadrilaterals ABCD and EFGH are similar; sides AB and EF are corresponding.

cotes_homologues-2

Properties

In congruent figures, the corresponding sides are congruent. In similar figures, the corresponding sides are proportional in length..