Similar Criteria

Front

What happens to the dimensions of a figure when it is enlarged?

Back

The dimensions of a figure increase proportionally when it is enlarged.

Front

What is the ratio of the perimeters of two similar figures?

Back

Ratio of corresponding side lengths.

Front

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

Back

The corresponding angles of similar figures are equal.

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 side lengths.

Front

If the side length of a figure is doubled, what happens to its area?

Back

The area increases by a factor of four.

Front

What is a 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 missing side length in similar triangles?

Back

Use the proportion of corresponding sides.

Front

What is the definition of similar figures?

Back

Similar figures have the same shape but may differ in size.

Front

If triangle ABC is similar to triangle DEF, what can be said about their corresponding sides?

Back

The lengths of corresponding sides are in proportion.

Front

What happens to the volume of a figure when it is enlarged by a scale factor of k?

Back

The volume increases by a factor of k^3.