A Similarity of Triangles

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

ΔSQR∼ΔSPT. Which choice below lists two corresponding sides?

• SP and SR

• QS and PT

• PS and RS

• TP and RQ

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary

If the triangles are similar, state how.

• SSS

• SAS

• AA

• Not similar

If the triangles are similar, state how.

• AA

• SAS

• SSS

• Not similar

Complete the Proof above.

• AA

• SSS

• SAS

• HL

The triangles are similar by...

• SAS
• AA
• ASA
• SSS

Why are the triangles similar?

• AA
• SAS
• SSS
• AAS

The triangles are similar by...

• SAS
• AA
• ASA
• SSS