Similar Figures

Front

What are similar figures?

Back

Two figures that have the same shape but are not necessarily the same size.

Front

What is the relationship between the sides of similar figures?

Back

The corresponding sides of similar figures are proportional.

Front

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

Back

The corresponding angles of similar triangles are equal.

Front

What does it mean for sides to be proportional?

Back

The ratios of the lengths of corresponding sides are equal.

Front

What is a pair of corresponding sides?

Back

Sides in two similar figures that are in the same relative position.

Front

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

Back

The ratio of their areas will be 4:9.

Front

What is the term for figures that are the same shape and size?

Back

Congruent figures.

Front

How can you determine if two figures are similar?

Back

By checking if their corresponding angles are equal and their corresponding sides are proportional.

Front

What is the scale factor in similar figures?

Back

The ratio of the lengths of corresponding sides of two similar figures.

Front

If a triangle has sides of lengths 3, 4, and 5, what are the lengths of the sides of a similar triangle with a scale factor of 2?

Back

6, 8, and 10.