Similarity Chapter 6

Determine whether the triangles are similar.

• SSS

• AA

• SAS

• not similar

• 8ft

• 9.5ft

• 10ft

• 10.5ft

If the triangles are similar, state why.

• AA

• SAS

• SSS

• Not similar

How do these triangles appear to be similar?

• AA

• SAS

• SSS

• Not Similar

The Gateway Arch in Missouri casts a 120 foot shadow while a 16 foot pole casts a 4 foot shadow. How tall is the Arch?

• 30 feet

• 360 feet

• 480 feet

• 600 feet

Are the triangles similar?

• Yes

• No

If the triangles are similar, find x

• 90

• 60

• 30

• 15

x=?

• 81

• 15

• 24

• 5.4

By which theorem will you prove these triangles similar?

• AA

• SAS

• SSS

• These triangles are not similar

Are the triangles similar? If so, what similarity shortcut is used? Show all work.

• Similar.  SSS

• Similar.  SAS

• Similar.  AA

• Not Similar.