Similar and Congruent Figures

Front

What are similar figures?

Back

Similar figures have the same shape but different sizes.

Front

What are congruent figures?

Back

Congruent figures have the same shape and the same size.

Front

How can you tell if two figures are similar?

Back

Two figures are similar if their corresponding angles are equal and their corresponding sides are in proportion.

Front

How can you tell if two figures are congruent?

Back

Two figures are congruent if they can be perfectly overlapped, meaning they have the same shape and size.

Front

What is an example of similar figures?

Back

A small triangle and a large triangle that have the same angles but different side lengths.

Front

What is an example of congruent figures?

Back

Two squares that are both 4 cm by 4 cm.

Front

If two triangles have the same angles, what can we say about them?

Back

They are similar triangles.

Front

If two rectangles have the same length and width, what can we say about them?

Back

They are congruent rectangles.

Front

What does it mean for figures to be neither similar nor congruent?

Back

It means the figures have different shapes and different sizes.

Front

Can two figures be similar but not congruent?

Back

Yes, if they have the same shape but different sizes.