Parts of Similar Triangles and Parallel Lines

Why are the triangles similar?

• AA~
• SAS~
• SSS~
• AAS~

Determine whether the triangles are similar.

• SSS~
• AA~
• SAS~
• not similar

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

• Similar.  SAS
• Similar.  AA
• Similar. SSS
• Not Similar

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

• Similar.  SAS
• Similar.  AA
• Similar.  SSS
• Not Similar

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

• Similar.  SSS
• Similar.  SAS
• Similar.  AA
• Not Similar.

Solve for f. 

• 10
• 14
• 4
• 9

The triangles are similar by...

• SAS
• AA
• ASA
• SSS

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary

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

• equal
• congruent
• proportional
• none of these

What is the measure of x?

• 12
• 15
• 6
• 9