如图,AB=AE,BC=ED,∠B=∠E,AF⊥CD于F.求证:CF=DF速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求~
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如图,AB=AE,BC=ED,∠B=∠E,AF⊥CD于F.求证:CF=DF速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求~
如图,AB=AE,BC=ED,∠B=∠E,AF⊥CD于F.求证:CF=DF
速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求~
如图,AB=AE,BC=ED,∠B=∠E,AF⊥CD于F.求证:CF=DF速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求速求~
连接AC、AD
∵AB=AE,BC=ED,∠B=∠E
∴△ABC≌△AED
∴AC=AD
又∵AF=AF
AF⊥CD
∴△ACF≌△ADF
∴CF=DF
不知道对不对撒
连接AC AD 证 三角形ABC 和 三角形AED 全等 全等之后 AC=AD 三角形ACD是等腰三角形 根据三线合一 CF=DF
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