Similar Figures and Proportions

Front

What are similar figures?

Back

Similar figures are shapes that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.

Front

What does it mean for two figures to be proportional?

Back

Two figures are proportional if the ratios of their corresponding sides are equal.

Front

What are corresponding sides?

Back

Corresponding sides are the sides of similar figures that are in the same relative position.

Front

How do you find the missing side length in similar figures?

Back

To find a missing side length, set up a proportion using the lengths of corresponding sides from the two figures.

Front

If two triangles are similar, what can you say about their angles?

Back

If two triangles are similar, their corresponding angles are equal.

Front

What is the formula to convert meters to inches?

Back

To convert meters to inches, multiply the number of meters by 39.37.

Front

If a roll of wire holds 3 meters of wire, how many inches does it hold?

Back

3 meters is approximately 118.11 inches.

Front

What are corresponding angles?

Back

Corresponding angles are angles that are in the same relative position in similar figures.

Front

What is the relationship between the sides of similar triangles?

Back

The lengths of corresponding sides of similar triangles are proportional.

Front

How do you determine if two figures are similar?

Back

Two figures are similar if their corresponding angles are equal and the lengths of their corresponding sides are proportional.