Term
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Definition
| if a/b = d/c, then ad = bc. |
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Term
| Definition of similar polygons |
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Definition
*all pairs of corresponding angles are congruent
*pairs of corresponding sides are proportional (ratios of corresponding sides are equal) |
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Term
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Definition
| If two pairs of corresponding angles of two triangles are congruent, then the triangles are similar |
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Term
| SAS for similar triangles |
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Definition
| If 2 pairs of corresponding sides in 2 triangles are proportional AND their included angles are congruent, then the 2 triangles are similar. |
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Term
| SSS for similar triangles |
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Definition
| If 3 pairs of corresponding sides of 2 triangles are proportional, then the triangles are similar. |
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Term
| Similarity is : Reflexsive |
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Definition
| triangle ABC ~ triangle ABC |
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Term
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Definition
| If triangle ABC ~ triangle DEF, then triangle DEF ~ triangle ABC |
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Term
| Similarity is : Transitive |
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Definition
| If triangle ABC ~ triangle DEF and triangle DEF ~ triangle GHI, then triangle ABC ~ triangle GHI |
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