如图,在△ABC和△ADE中,AC=AB,AE=AD,∠CAB=∠EAD=90°.求证:1:求证CE=BD
问题描述:
如图,在△ABC和△ADE中,AC=AB,AE=AD,∠CAB=∠EAD=90°.求证:1:求证CE=BD
答
BA=CA
DA=EA
∠BAD=90-∠DAC
∠EAC=90-∠DAC
∠BAD=∠EAC
边角边定律
△BAD全等△EAC
CE=BD