Attributes of Similar Figures

Front

What does the term 'congruent' mean?

Back

Equal in size and shape.

Front

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

Back

Their corresponding sides are proportional.

Front

What does the term 'corresponding' mean in geometry?

Back

Matching parts of similar figures.

Front

If the ratio of the sides of two similar triangles is 2:3, what is true about their areas?

Back

The ratio of their areas is 4:9.

Front

What is the relationship between the angles of similar figures?

Back

Corresponding angles are equal.

Front

If one side of a triangle is 10 cm and the corresponding side of a similar triangle is 15 cm, what is the scale factor?

Back

The scale factor is 2:3.

Front

Are two figures similar if their corresponding angles are equal but their sides are not proportional?

Back

No, they must have both equal angles and proportional sides.

Front

What is the scale factor if two similar rectangles have lengths of 4 cm and 8 cm?

Back

The scale factor is 1:2.

Front

If two similar figures have a scale factor of 1:4, how does this affect their perimeters?

Back

The ratio of their perimeters is also 1:4.

Front

What does it mean for two figures to be similar?

Back

They have the same shape but may differ in size.