Review of triangle congruence

From the information in the diagram, can you prove ∆FDG ≅ ∆FDB ? If so, in what way(s)? Explain.

• yes, by ASA

• yes, by AAA

• yes, by AAS

• no

• Unsure

Are the two triangles congruent? If they are, select all the correct congruence postulate. If there is not enough information, select N/A.

• ASA

• SSA

• SAS

• N/A

x=

y=

Choose 2 answers

• 7

• 25

• 6

• 11

• 18

ΔAEB ≅ ΔCED by...

• SAS

• ASA

• AAS

• SSS

• A
• B
• C
• D

Which congruency statement can be written for the triangles pictured?

• ΔABC ≅ ΔEDC

• ΔACB ≅ ΔEDC

• ΔECD ≅ ΔCAB

• ΔBCA ≅ ΔDEC

State whether ∆ABC and ∆AED are congruent. Justify your answer.

• yes, by either SSS or SAS

• yes, by SSS only

• yes, by SAS only

• Not enough information to reach a conclusion.

• No, they are NOT congruent

Are the two triangles congruent? If they are, select the correct congruence postulate. If there is not enough information, select N/A.

• SAS

• N/A

• ASA

• SSS

Use the congruency statement to answer the following: 
∠F = ∠ ___

• H
• I
• G
• not congruent to another angle

What is the correct congruence statement? ΔDEC ≅________

• ΔAEB

• ΔEAB

• ΔBEA

• Not enough information