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### 8 Cards in this Set

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 Ratio The quotient when the first number is divided by the second Proportion An equation stating that two ratios are equal AA Similarity Postulate If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar SAS Similarity Theorem If an angle of one triangle is congruent to an angle of another triangle and the sides including those angles are in porportion, then the triangles are similar SSS Similarity Theorem If the sides of two triangles are in proportion, then the triangles are similar Triangle Proportionality Theorem If a line parallel to one side of a triangle intersects the other two sides, the it divides those sides proportionally Corollary If three parallel lines intersect two transversals, then they divide the transversals proportionally. Triangle Angle-Bisector Theorem If a ray bisects an angle of a triangle, then it divides the opposite side into segments proportional to the other two sides