如圖,若△ABC≌△ADE,∠EAC=30°,則∠BAD=______度.

如圖,若△ABC≌△ADE,∠EAC=30°,則∠BAD=______度.

∵△ABC≌△ADE,∴∠CAB=∠EAD,∵∠EAB是公共角,∴∠CAB-∠EAB=∠EAD-∠EAB,即∠EAC=∠BAD,已知∠EAC=30°,∴∠BAD=30°.故答案填:30.