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 Related Terms
 Side-Angle-Side (SAS-Similarity):  If the lengths of two sides of a triangle are multiples of two corresponding sides of another triangle (i.e. they are in proportion), and the included angles are congruent, then the triangles are similar.
Angle-Angle (AA- Similarity): If two angles of one triangle are congruent to two corresponding angles in another triangle, then the triangles are similar.
Side-Side-Side (SSS-Similarity): If the lengths of all three of the corresponding sides of two triangles are multiples of each other (i.e., they are proportional), then the triangles are similar.
Corresponding Angles: Angles that have the same relative positions in geometric figures.
Corresponding Sides: Sides that have the same relative positions in geometric figures.
Multiple: The product of a given whole number and an integer.
Proportion: An equation which states that two ratios are equal.