Ratios Triangles Sides

The pair of figures is similar. Find the missing side.

• x = 1

• x = 3

• x = 9

• x = 5

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

• equal

• congruent

• proportional

• none of these

Are the triangles similar?

• Yes

• No

Which triangles are similar to triangle A?

• B

• C

• Both

• None

Are the following similar? Why or why not?

• Yes. All pairs of corresponding angles are congruent.

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

Given that Triangle BAC is similar to Triangle EDF. Find the angle EFD.

• 45

• 22

• 113

• 18

Sides in similar figures must be proportional.  

• True

• False 

Find the value of y.

• 24

• 16

• 6

• 54

Pick the correct Similarity Statement for the Triangles Shown.

• ΔABC ~ ΔXYZ

• ΔACB ~ ΔYZX

• ΔCAB ~ ΔZXY

• ΔABC ~ ΔZXY

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

• 3/2

• 1

• 9/4

• 4/9