Similarity Unit 6: Review of Vocab and Theorems

A comparison of two quantities is called...

• scale factor

• cross product

• ratio

• proportion

An equation where two ratios are equal is....

• proportion

• similar polygons

• extended ratios

• cross product

The product of the extremes equals the product of the means is

• extended ratio

• scale factor

• similar polygos

• cross product

Polygons with corresponding angles congruent and corresponding side lengths are proportional are

• ratios

• scale factor

• similarity transformation

• similar polygons

The ratio of the lengths of the corresponding sides of similar polygons is

• scale factor

• proportion

• cross product

• similarity transformation

A ratio that represents more than two quantities is

• proportion

• cross product

• extended ratio

• similar polygons

An image created that is similar to the original figure is

• similar polygons

• similarity transformation

• scale factor

• extended ratio

Match the following description with the correct theorem.

If two angles of one triangle are congruent to two angles of another triangle, then those two triangles are similar. - (a)  

In a triangle, an angle bisector divides the opposite side into segments that are proportional to the lengths of the other two sides. - (b)  

If two corresponding sides of two triangles are proportional and the included angle of those sides are congruent, then the triangles are similar. - (c)  

If the corresponding sides of two triangles are proportional, then the triangles are similar. - (d)  

• AA Similarity Theorem
• Triangle Angle Bisector Theorem
• SAS Similarity Theorem
• SSS Similarity Theorem