Review for Ratios and Proportions and Similar Polygons

Find the value of x.

• 17.5

• 10

• 7

• 17

Solve for x.

• 8

• 6

• 5

• -8

The ratio of two corresponding linear measurements in a pair of similar figures is the _____.

• similarity ratio

• proportion

• scale factor

• means of a proportion

A statement that two ratios are equal is a _______.

• proportion

• ratio

• similar polygon

• means of a proportion

Two figures that have the same shape but not necessarily the same size are _____.

• dilation

• scale drawing

• scale factor

• similar

The multiplier used on each dimension to change one figure into a similar figure is the _____.

• similarity ratio

• scale factor

• proportion

• means of a proportion

In a proportion a:b = c:d, these are the first and last positions.

• extremes of a proportion

• means of a proportion

• scale factor

• similarity ratio

Given that 25a = 15b, find the ratio of a:b in simplest form.

• 3:5

• 5:3

• 150:1

• 1:150

What is the measure of x?

• 12

• 15

• 6

• 9

A method of measurement that uses formulas, similar figures, and/or proportions is called ______________.

• Dialation

• Proportion

• Indirect Measurement

• Geometric Measurement