Similar Figures

Front

What are corresponding angles in similar figures?

Back

Corresponding angles in similar figures are congruent.

Front

Two objects that are the same shape but not the same size are _______.

Back

Similar.

Front

What is true about the shape and size of similar figures?

Back

Similar figures have the same shape but not the same size.

Front

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

Back

The ratios of their corresponding sides are equal.

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

If a model of a house is built using the scale 5 in:25 ft, what is the scale factor?

Back

The scale factor is 1:5.

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.

Front

What does it mean for two figures to be congruent?

Back

Two figures are congruent if they have the same shape and size.

Front

If two similar figures have a scale factor of 3:1, what is the ratio of their areas?

Back

The ratio of their areas is 9:1.

Front

How do you find the actual size of an object from a scale model?

Back

Multiply the size of the model by the scale factor.