Unit 4 Test Review

Front

Three or more equivalent ratios is a(n) _______.

Back

extended proportion

Front

A(n)_______ is used to compare more than two quantities.

Back

extended ratio

Front

State if the polygons are similar: The polygons ARE similar.

Back

The polygons are similar if corresponding angles are congruent and corresponding sides are proportional.

Front

Natalie is making a scale drawing of her apartment building. The building in her drawing has a height of 24 cm. The scale she used was 6 cm is equal to 11 feet. How tall is her apartment building?

Back

44 feet

Front

The two right triangles below are similar. What is x, the missing side length in triangle DEF?

Back

9.75

Front

What is an extended ratio?

Back

An extended ratio is a comparison of three or more quantities.

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity.

Front

How do you determine if two polygons are similar?

Back

Two polygons are similar if their corresponding angles are congruent and their corresponding sides are proportional.

Front

What is the formula for finding the height of an object using a scale drawing?

Back

Height = (Height in drawing) * (Scale factor) / (Height represented by scale)

Front

If two triangles are similar, what can be said about their corresponding sides?

Back

The lengths of their corresponding sides are proportional.