Chapter 8: Similarity

The polygons are similar. Find the value of x.

• x=6

• x=10.7

• x=.375

• x=12

Find the scale factor.

• k=7/8

• k=4/3

• k=3/4

• k=8/7

Answer the question in the image.

• 27,216 ft²

• 672 ft²

• 1008 ft²

• 336 ft²

Determine whether the triangles are similar. If they are write a similarity statement.

• They are not similar.

• ΔXYW ~ ΔSRT

• ΔXYW ~ ΔTRS

• ΔXYW ~ ΔRST

Draw a picture to help you answer the story problem.

• 6875 ft

• 2840 ft

• 227 ft

• 550 ft

Find the value of x that makes ΔABC ~ ΔRST

• x=9

• x=13.4

• x=3

• x=4.4

Find the scale factor.

• k=5/4

• k=4/3

• k=4/5

• k=3/4

Find the value of x.

• x=8..5

• x=9

• x=4.5

• x=11.4

Find AC.

• 28

• 9.14

• 15.75

• 14

• 14

• 6.875

• 10

• 8