Fast and Curious: Similar Figures

Front

What is the scale factor of a dilation that maps Δ PRQ onto Δ LMP?

Back

k = 3

Front

What does similar mean?

Back

Same shape, proportional size.

Front

Complete the similarity statement: Δ BCA ∼ __?__

Back

Δ FDE

Front

The figures are similar. Find the missing side: x = ?

Back

x = 5

Front

What is the similarity ratio of Δ TUV to Δ WXY?

Back

Front

Define 'scale factor' in the context of similar figures.

Back

The scale factor is the ratio of the lengths of corresponding sides of two similar figures.

Front

What is the relationship between the angles of similar figures?

Back

The corresponding angles of similar figures are equal.

Front

If two triangles are similar, how do their areas compare?

Back

The ratio of their areas is the square of the scale factor.

Front

What is a similarity statement?

Back

A similarity statement indicates that two figures are similar, using the symbol ∼.

Front

How do you determine if two figures are similar?

Back

Two figures are similar if their corresponding angles are equal and the lengths of their corresponding sides are proportional.