Triangle Similarity-DWMS

What is true about similar figures?

• Everything is congruent

• They have the same shape but different size

In Similar figures the ________________ are the same.

• Angles

• Sides

• Diagonals

Pick the correct Similarity Statement for the Triangles shown.

• ΔCAB ~ ΔDEF

• ΔABC ~ ΔDFE

• ΔABC ~ ΔDEF

• ΔBCA ~ ΔDEF

Pick the correct Similarity Statement for the Triangles shown.

• ΔABC ~ ΔPRQ

• ΔABC ~ ΔPQR

• ΔCBA ~ ΔPRQ

• ΔACB ~ ΔQRP

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

Which side is corresponding to 7?

• 15

• 18

• 21

• 5

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

• Yes, because 6/4 = 8/6

• No, because 6/4 does not equal 8/6

• No, because 6/8 = 4/6

• Yes, because 6/8 = 4/6

Are these two triangles similar? Which similarity criterion do you use to prove it?

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar