Congruent and similar figures.

Front

What does it mean for two figures to be congruent?

Back

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

Front

How can you determine if two figures are not congruent?

Back

Two figures are not congruent if they are either different sizes or different shapes.

Front

What are similar figures?

Back

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

Front

What must be true for two shapes to be considered similar?

Back

All pairs of corresponding angles must be congruent, and the ratios of the corresponding sides must be equal.

Front

If two objects are the same shape but not the same size, what are they called?

Back

They are called similar.

Front

What is the relationship between corresponding angles in similar figures?

Back

In similar figures, all pairs of corresponding angles are congruent.

Front

What is the relationship between the ratios of corresponding sides in similar figures?

Back

The ratios of the corresponding sides in similar figures are equal.

Front

Can two figures be similar if their corresponding angles are not equal?

Back

No, if the corresponding angles are not equal, the figures cannot be similar.

Front

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

Back

The sides of the triangles are in proportion, making the triangles similar.

Front

What is an example of congruent figures?

Back

Two squares with the same side length are congruent.