Term #1
CPCTC: Corresponding Parts of Congruent Triangles are Congruent. Used as a justification in proofs once the triangles are proven congruent.
Symbol: N/A
If △ABC ≅ △DEF, then ∠A ≅ ∠D, ∠B ≅ ∠D, ∠C ≅ ∠F, AB ≅ DE, AC ≅ DF, and BC ≅ EF because of CPCTC.