Geometry Unit 4

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Are the triangles similar?

• Yes

• No

Figure D´E´F´G´ is a dilation with center (0, 0) of figure DEFG. What is the scale factor?

Congruent by

• SSS

• SAS

• ASA

• AAS

Which triangle congruence theorem is shown?

• SAS

• ASA

• SSS

• SSA

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Are ABC and DEF similar?

• Yes

• No

Find the image of ΔABC after a dilation with center (0, 0) and a scale factor of 3. What is the ordered pair for A'?

• (1, 1)

• (3, 3)

• (5, 5)

• (6, 6)

The triangles are similar by...

• SAS

• AA

• ASA

• SSS

Congruent by

• SSS

• SAS

• ASA

• AAS