∠ADB=∠ADC=90°
BF=AC
△BDF≌△ADC
DF=DC=2
AD=BD=BC-CD=5
BF=AC=根号29
∠CBE=∠CAD
∠BEC=∠ADC=90°
△BEC∽△ADC
CE:CD=BC:AC
CE=2×7÷根号29=14/根号29
AE/CE=(根号29-14/根号29):14/根号29=15:14
ABE面积:CBE面积=15:14
∠ADB=∠ADC=90°
BF=AC
△BDF≌△ADC
DF=DC=2
AD=BD=BC-CD=5
BF=AC=根号29
∠CBE=∠CAD
∠BEC=∠ADC=90°
△BEC∽△ADC
CE:CD=BC:AC
CE=2×7÷根号29=14/根号29
AE/CE=(根号29-14/根号29):14/根号29=15:14
ABE面积:CBE面积=15:14