Solving Proportions Review

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the two ratios and then solve for the unknown variable.

Front

What does it mean for two figures to be similar?

Back

Two figures are similar if they have the same shape but not necessarily the same size, meaning their corresponding angles are equal and their corresponding sides are in proportion.

Front

What is the cross-multiplication method?

Back

The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio to find the unknown value.

Front

What is the formula for finding a missing side in similar triangles?

Back

The formula is (side1/side2) = (missing side/known side).

Front

What is the first step in solving a proportion?

Back

The first step is to set the two ratios equal to each other.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, often expressed as a fraction.

Front

How can proportions be used in real-life applications?

Back

Proportions can be used in various real-life applications such as cooking, scaling models, and financial calculations.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

What is the significance of the 'missing side' in similar figures?

Back

The 'missing side' in similar figures can be found using the properties of proportions, allowing for the calculation of unknown lengths.