Chapter 5: Ratio, Proportion, and Similar Figures

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 first and last numbers in a proportion.

• extremes of a proportion

• means of a proportion

• scale factor

• similarity ratio

A comparison of two quantities by division is a _____.

• scale factor

• extremes of a proportion

• proportion

• ratio

The middle two numbers in a proportion.

• extremes of the proportion

• similarity ratio

• scale factor

• means of the proportion

The positive number x such that a/x = x/b

• Geometric Mean

• Scale Factor

• Scale Drawing

• Means of a proportion

Similar Polygons

• Figures that have the same shape but not

  necessarily the same size.

• Figures with corresponding angles that are

  congruent and corresponding side lengths

  that are proportional.

• The ratio of corresponding linear

  measurements of two similar figures.

• A drawing where all lengths are proportional

  to their corresponding actual lengths.

Similar

• Figures that have the same shape but not

  necessarily the same size.

• The ratio of corresponding linear

  measurements of two similar figures.

• Figures with corresponding angles that are

  congruent and corresponding side lengths

  that are proportional.

• A comparison of two quantities by division.

• 12 and 15

• 5 and 12

• 4 and 15

• 4 and 5

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

• equal

• congruent

• proportional

• none of these