Congruent and Similar Figures

Front

What are congruent figures?

Back

Figures that are the same shape and size.

Front

What are similar figures?

Back

Figures that have the same shape but different sizes.

Front

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

Back

Their corresponding angles are equal.

Front

If two figures are similar, what can be said about the ratios of their corresponding sides?

Back

The ratios of their corresponding sides are equal.

Front

What is the relationship between congruent figures and similarity?

Back

All congruent figures are similar, but not all similar figures are congruent.

Front

How can you determine if two figures are similar?

Back

By comparing the ratios of their corresponding sides.

Front

What is a 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.

Front

What does it mean for two figures to be 'dilated'?

Back

It means that the figures have been resized, maintaining their shape.

Front

Can two figures be similar if they are not in the same orientation?

Back

Yes, similar figures can be in different orientations.