Proving Similar Triangles by AA, SSS, and SAS

If the triangles are similar, state how.

• AA: Two angles congruent

• SSS: Three sides congruent

• SSS: Three sides proportionate

• SAS: Two sides proportionate + included angle congruent

• Not similar

If the triangles are similar, state how.

• AA: Two angles congruent

• SSS: Three sides congruent

• SSS: Three sides proportionate

• SAS: Two sides proportionate + included angle congruent

• Not similar

If the triangles are similar, state how.

• AA: Two angles congruent

• SSS: Three sides congruent

• SSS: Three sides proportionate

• SAS: Two sides proportionate + included angle congruent

• Not similar

If the triangles are similar, state how.

• AA: Two angles congruent

• SSS: Three sides congruent

• SSS: Three sides proportionate

• SAS: Two sides proportionate + included angle congruent

• Not similar

If the triangles are similar, state how.

• AA: Two angles congruent

• SSS: Three sides congruent

• SSS: Three sides proportionate

• SAS: Two sides proportionate + included angle congruent

• Not similar

If the triangles are similar, state how.

• AA: Two angles congruent

• SSS: Three sides congruent

• SSS: Three sides proportionate

• SAS: Two sides proportionate + included angle congruent

• Not similar

Which of the following is NOT true about similar figures?

• A) Similar figures always have the same shape.
• B) Similar figures always have the same size.
• C) Similar figures always have corresponding angles that are equal.
• D) Similar figures always have corresponding sides that are proportional.

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary