Similar Triangles

Front

What is the similarity statement for triangles ΔLMN and ΔPQO?

Back

ΔLMN ∼ ΔPQO

Front

In similar polygons, corresponding sides are ___ and corresponding angles are ___.

Back

proportional, congruent

Front

What determines if two triangles are similar?

Back

If their corresponding angles are congruent and their corresponding sides are proportional.

Front

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

Back

The corresponding sides are proportional.

Front

Which of the following is NOT true about similar figures? A) They have the same shape. B) Similar figures always have the same size. C) Their corresponding angles are congruent. D) Their corresponding sides are proportional.

Back

B) Similar figures always have the same size.

Front

What is the definition of similar triangles?

Back

Triangles that have the same shape but may differ in size, with corresponding angles that are equal and corresponding sides that are proportional.

Front

What is the relationship between the angles of similar triangles?

Back

The corresponding angles of similar triangles are congruent.

Front

How can you prove that two triangles are similar using the AA criterion?

Back

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

Front

What is the SSS similarity criterion for triangles?

Back

If the lengths of the corresponding sides of two triangles are proportional, then the triangles are similar.

Front

What is the SAS similarity criterion for triangles?

Back

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