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