MRC # 4 - Similarity

When you dilate a figure you...

• slide it.
• turn it.
• flip it.
• make it larger or smaller.

Are triangles DCE and VTU similar? Which similarity criterion do you use to prove it?

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar

Are these two triangles GZP and GBR similar? Which similarity criterion do you use to prove it?

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar

Which triangles are similar to triangle A?

• B
• C
• Both
• None

• x = 4/3

• x = 8

• x = -8

• x = -4/3

• a = -2

• a = 2

• a = 12

• a = -12

Use the information in the diagram to determine the height of the tree.

• 80 feet
• 320 feet
• 40 feet
• 160 feet

• 2

• 3

Three sides of a triangle are 12, 16, and 22. The biggest side of another similar triangle is 176. What is the perimeter of the bigger triangle?

• 320

• 360

• 400

• 440

Solve for x. The triangles in each pair are similar.

• x = 14

• x = 7

• Not Enough Info

• x = -14