(1)证明:在△ABE和△DCE中, ∠AEB=∠DEC ∠A=∠D AB=CD ∴△ABE≌△DCE(AAS);(2)解:∵△ABE≌△DCE,∴BE=CE,∴∠EBC=∠ECB,又∵∠AEB=∠EBC+∠ECB=52°,∴∠EBC=26°.