Congruent and similar figures.

Front

What are congruent figures?

Back

Figures that have the same shape and size.

Front

What are similar figures?

Back

Figures that have the same shape but not necessarily the same size.

Front

What must be true for two figures to be similar?

Back

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

Front

If two triangles have angles measuring 30°, 60°, and 90°, are they similar?

Back

Yes, because they have the same angle measures.

Front

What is the relationship between the sides of similar figures?

Back

The lengths of corresponding sides are proportional.

Front

Are two rectangles with the same area always similar?

Back

No, they can have different side lengths and still have the same area.

Front

What does it mean if two shapes are not congruent?

Back

They do not have the same shape and 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

Can two figures be similar if one is a scaled version of the other?

Back

Yes, scaling a figure maintains the shape, making them similar.

Front

What is the term for angles that are in the same position in similar figures?

Back

Corresponding angles.