(1)在△ABE和△DCE中, ∠A=∠D ∠AEB=∠DEC AB=DC ,∴△ABE≌△DCE(AAS);(2)∵△ABE≌△DCE,∴BE=CE,∴∠EBC=∠ECB,∵∠AEB=40°,∴∠EBC=20°.