Ladyyesheenricogo Ladyyesheenricogo Math Answered 1. Which of the following is not a valid reason to prove congruent triangles? a. AAS b. SAS c. SSA d. SSS 2. Which of the following is not a valid reason to prove congruent triangles? a. AAA b. SSS c. ASA d. SAS 3. Which of the following only proves congruence for right triangles. a. HLb. SSSc. AASd. SAS