Similar Figures in the Real World

Front

What are corresponding angles in similar figures?

Back

Corresponding angles are angles that are in the same position in similar figures and are congruent.

Front

What is the definition of similar figures?

Back

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

Front

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

Back

The lengths of the corresponding sides of similar triangles are proportional.

Front

What is the scale factor in similar figures?

Back

The scale factor is the ratio of the lengths of corresponding sides of two similar figures.

Front

How do you find the actual distance using a map scale?

Back

To find the actual distance, set up a proportion using the scale and the distance on the map.

Front

If a map scale is 1 inch = 20 miles, how far apart are two cities that are 3 inches apart on the map?

Back

The actual distance is 60 miles (3 inches x 20 miles/inch).

Front

What is the relationship between the angles of similar polygons?

Back

All corresponding angles of similar polygons are congruent.

Front

How do you determine if two figures are similar?

Back

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

Front

What is a proportion in mathematics?

Back

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

Front

If a scale drawing of a building is 10 inches tall and the scale is 1 inch = 30 feet, what is the actual height of the building?

Back

The actual height is 300 feet (10 inches x 30 feet/inch).