Fast and Curious: Similar Figures

Front

What does similar mean?

Back

Similar figures have the same shape but proportional sizes.

Front

Complete the similarity statement: \( \Delta BCA \sim \) __?__

Back

\( \Delta FDE \) is the correct completion.

Front

Are the figures similar? Explain.

Back

No, the figures are not similar.

Front

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

Back

x = 5.

Front

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

Back

x = 10.

Front

What is the AA Similarity Postulate?

Back

If two angles of one triangle are equal to two angles of another triangle, the triangles are similar.

Front

What is the SSS Similarity Theorem?

Back

If the sides of two triangles are in proportion, then the triangles are similar.

Front

What is the SAS Similarity Theorem?

Back

If two sides of one triangle are proportional to two sides of another triangle and the included angles are equal, then the triangles are similar.

Front

How do you determine if two triangles are similar using proportions?

Back

Set up a proportion using corresponding sides and check if the ratios are equal.

Front

What is a similarity ratio?

Back

The ratio of the lengths of corresponding sides of similar figures.