如图,AD为△ABC的中线,EC为AD的中线若∠EAC=∠B,CD=CE.证明△ACE相似△BAD
人气:472 ℃ 时间:2020-05-19 23:45:01
解答
∵CE = CD
∴∠CED = ∠CDE
∵∠CED = ∠EAC + ∠ACE
∠CDE = ∠B = ∠BAD
∠B = ∠EAC
∴∠ACE = ∠BAD
∴△CAE∽△DAB
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