Similar Figures

Front

What are sides that are in the same position in similar figures called?

Back

Corresponding Sides

Front

What are angles that are in the same position in similar figures called?

Back

Corresponding Angles

Front

If a rectangular garden is 45 ft wide and 70 ft long, and the width on a blueprint is 9 in, what is the length on the blueprint?

Back

14 in

Front

True or False: Sides in similar figures must be proportional.

Back

True

Front

True or False: All corresponding sides are proportional (same ratio) in similar figures.

Back

True

Front

What is the definition of similar figures?

Back

Figures that have the same shape but not necessarily the same size.

Front

What is the ratio of corresponding sides in similar figures called?

Back

Scale Factor

Front

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

Back

All corresponding angles are equal.

Front

How do you find the scale factor between two similar figures?

Back

Divide the length of a side of one figure by the length of the corresponding side of the other figure.

Front

What is the relationship between the areas of two similar figures?

Back

The ratio of their areas is the square of the ratio of their corresponding sides.