Optional 5.3-5.5 Flashcard Review

Front

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

Back

not similar

Front

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

Back

proportional, congruent

Front

What is the measure of x if x + 3 = 12?

Back

9

Front

Find the missing side if the sides are 5, 7, and ? and the triangles are similar.

Back

7

Front

If ∆ABC∼∆XYZ and the ratio of side lengths is 3:1, what is the perimeter of ∆XYZ if the perimeter of ∆ABC is 15?

Back

5

Front

What does AA~ stand for in triangle similarity?

Back

Angle-Angle similarity criterion.

Front

What does SSS~ stand for in triangle similarity?

Back

Side-Side-Side similarity criterion.

Front

What does SAS~ stand for in triangle similarity?

Back

Side-Angle-Side similarity criterion.

Front

If two triangles are similar, what can be said about their corresponding angles?

Back

Their corresponding angles are congruent.

Front

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

Back

Their corresponding sides are proportional.