Below are \triangle ABC△ and \triangle DEF△DEFtriangle, D, E, F. We assume that AB=DEAB=DEA, B, equals, D, E, BC=EFBC=EFB, C, equals, E, F, and AC=DFAC=DFA, C, equals, D, F.

Below are triangle ABC and triangle DEFDEFtriangle D E F We assume that ABDEABDEA B equals D E BCEFBCEFB C equals E F and ACDFACDFA C equals D F class=
Below are triangle ABC and triangle DEFDEFtriangle D E F We assume that ABDEABDEA B equals D E BCEFBCEFB C equals E F and ACDFACDFA C equals D F class=
Below are triangle ABC and triangle DEFDEFtriangle D E F We assume that ABDEABDEA B equals D E BCEFBCEFB C equals E F and ACDFACDFA C equals D F class=
Below are triangle ABC and triangle DEFDEFtriangle D E F We assume that ABDEABDEA B equals D E BCEFBCEFB C equals E F and ACDFACDFA C equals D F class=