Side Side Side Triangle Similarity

What pattern could you use to prove the triangles congruent?

• SSS

• SAS

• ASA

• AAS

Pick the correct Similarity Statement for the Triangles Shown.

• ΔABC ~ ΔXYZ

• ΔACB ~ ΔYZX

• ΔCAB ~ ΔZXY

• ΔABC ~ ΔZXY

Given that the two triangles are similar, which side is corresponding to PQ?

• EF

• DE

• DF

• FE

Given the two triangles are similar, which side is corresponding to PR?

• DE

• EF

• DF

• FD

Find the scale factor (common ratio) between the two triangles.

• 3/2

• 1

• 9/4

• 4/9

Which side is corresponding to 7?

• 15

• 18

• 21

• 5

Which side is corresponding to 18?

• 5

• 6

• 7

• 15

Find the scale factor of the following triangles. (make sure to simplify)

• 18 to 5

• 15 to 6

• 5 to 7

• 3 to 1

Determine if the two figures are similar or not using common ratios.

• No, the ratios between corresponding sides are different.

• No, because the sides aren't equal.

• Yes, because all the ratios are 4 to 1

• Yes, because all the ratios are 8 to 1

Pick the correct Similarity Statement for the Triangles shown.

• ΔCAB ~ ΔDEF

• ΔABC ~ ΔDFE

• ΔABC ~ ΔDEF

• ΔBCA ~ ΔDEF