Similar Figures

Front

What are 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?

Back

The ratio of corresponding sides in similar figures is constant.

Front

What are corresponding sides?

Back

Sides in two or more figures that are in the same relative position.

Front

What are corresponding angles?

Back

Angles in two or more figures that are in the same relative position and are congruent.

Front

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

Back

All corresponding angles are congruent.

Front

If the sides of two similar triangles are in the ratio 2:3, what can be said about their areas?

Back

The ratio of their areas is 4:9.

Front

What does it mean for sides to be proportional in similar figures?

Back

The lengths of corresponding sides are in the same ratio.

Front

True or False: All similar figures are congruent.

Back

False.

Front

What is the relationship between the scale factor and the sides of similar figures?

Back

The scale factor is the ratio of the lengths of corresponding sides.

Front

How do you find a missing side in similar figures?

Back

Set up a proportion using the lengths of corresponding sides.