Similarity and Ratio

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

If two triangles are similar and the ratio of their corresponding sides is 3:4, what is the ratio of their areas?

• 3:4

• 9:16

• 6:8

• 12:16

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

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

• Yes, because 1/8 = 14/122

• No, because 1/8 is not equal to 14/122

• Yes, because 1/8 is not equal to 14/122

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