Over Lesson 4–4

A. SSS

B. ASA

C. SAS

D. not possible

Determine which postulate can be used to prove that the triangles are congruent. If it is not possible to prove congruence, choose not possible.

Over Lesson 4–4

A. SSS

B. ASA

C. SAS

D. not possible

Determine which postulate can be used to prove that the triangles are congruent. If it is not possible to prove congruence, choose not possible.

Over Lesson 4–4

A. SSA

B. ASA

C. SSS

D. not possible

Determine which postulate can be used to prove that the triangles are congruent. If it is not possible to prove congruence, choose not possible.

Use ASA to Prove Triangles Congruent

A. SSS B. SAS

C. ASA D. AAS

Fill in the blank in the following paragraph proof.

Use AAS to Prove Triangles Congruent

Write a paragraph proof.

Proof: NKL NJM, KL MN, and N N by the Reflexive property. Therefore, ΔJNM ΔKNL by AAS. By CPCTC, LN MN.

__ ___

__ ___

A. SSS

B. SAS

C. ASA

D. AAS

The curtain decorating the window forms 2 triangles at the top. B is the midpoint of AC. AE = 13 inches and CD = 13 inches. BE and BD each use the same amount of material, 17 inches. Which method would you use to prove ΔABE ΔCBD?

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