Similarity and Proportional

State if the triangles in each pair are similar. If so, state how you know they are similar.

• Yes, AA Similarity

• Yes, SSS Similarity

• Yes, SAS Similarity

• Not Similar

Which of the following would you use to prove the two triangles are similar?

• SAS

• SSS

• AA

Which of the following is a similarity criterion for triangles?

• SSS

• ABC

• XYZ

• DEF

In the triangle similarity concept, the ratio of the lengths of corresponding sides is called the ____.

• A. Similarity ratio

• B. Proportional ratio

• C. Corresponding ratio

• D. None of the above

Which theorem states that if two angles of one triangle are congruent to two angles of another triangle, the triangles are similar?

• AA

• SAS

• SSS

Fill in the blank: If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides ____.

• equally

• proportionally

• randomly

• unequally

If two triangles have two pairs of corresponding angles equal, they are ____.

• congruent

• similar

• neither

• both

Which of the following is not a method to prove triangles similar?

• AA

• SSS

• SAS

• SSA

If the triangles are similar, state why.

• AA

• SAS

• SSS

• Not similar

Explain how to show that the indicated triangles are similar

• SSS

• SAS

• AA

• These are not similar.