Intro to Chapter 7 Vocab

Front

Ratios

Back

A comparison of two or more quantities.

Front

Proportions

Back

An equation that states two ratios are equal.

Front

Triangle Proportionality Theorem

Back

If a line is parallel to one side of a triangle and intersects that other two sides, then it divides the sides into segments of proportional lengths.

Front

Extended Ratio

Back

A comparison of three or more quantities.

Front

Proportional Parts and Parallel Lines

Back

If three or more parallel lines intersect two transversals. then they cut off the transversals proportionally.

Front

Similar Polygons

Back

Polygons with the same shape but different size.

Front

Similarity Statement

Back

A valid similarity statement must match corresponding angels and sides.

Front

SAS ~ (Side-Angle-Side Similarity)

Back

If two corresponding sides are proportional and the included angles are congruent, then the triangles are similar.

Front

SSS~ (Side-Side-Side Similarity)

Back

If all corresponding sides are proportional, then the triangles are similar.

Front

AA~ (Angle-Angle Similarity)

Back

IF two corresponding angles are congruent, then the triangles are similar.