Similar Triangles, Ratios

Find missing side

• 5

• 7

• 9

• 11

Tell whether the triangles are similar. Explain.

• Yes because x = 31

• Yes because the triangles have one congruent angle

• No because x = 31, which means the triangles only have one congruent angle.

• They are both purple

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

• x = 20

• x = 12

• x = 5

• x = 4

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

How long is side x?

• 2 ft

• 3 ft

• 4 ft

• 6 ft

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

• x = 9

• x = 4

• x = 13

• x = 36

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• Not similar

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• NOT SIMILAR