Unit 4 Test Review

Front

The Side-Side-Side Similarity (SSS ~) Theorem states if the corresponding sides of two triangles are _____________________, then the triangles are _________________

Back

proportional; similar

Front

If two figures are similar, the corresponding sides are ______________.

Back

proportional

Front

What effect will a scale factor of 3/4 have on a figure?

Back

Shrink

Front

Determine the relationship between the triangles: AA∼, SAS∼, SAA∼, Not necessarily similar.

Back

Not necessarily similar

Front

Find the missing length: If one side is 15 and the corresponding side is 20, what is the missing length if the other side is 12?

Back

8

Front

What is the definition of similar triangles?

Back

Triangles that have the same shape but not necessarily the same size.

Front

What is the Scale Factor?

Back

The ratio of the lengths of two corresponding sides of two similar figures.

Front

If triangle ABC is similar to triangle DEF, what can be said about their angles?

Back

The corresponding angles are equal.

Front

What is the relationship between the areas of two similar triangles?

Back

The ratio of their areas is the square of the ratio of their corresponding sides.

Front

If two triangles have sides in the ratio 2:3, what is the ratio of their areas?

Back

4:9 (the square of the side ratio).