Question

Answer 1

Xét ΔABC và ΔCEA có 

AB=CE

AC chung

BC=EA

Do đó: ΔABC=ΔCEA

Answer 2

\(\Delta ABE=\Delta CEB\left(c.c.c\right)\\ \Delta ABC=\Delta CEA\left(c.c.c\right)\)

Answer 3

ΔABE=ΔCEB

ΔABC=ΔCEA