(2007•滨州)如图,在△ABC和△DEF中,∠A=∠D=90°,AB=DE=3,AC=2DF=4.
(1)判断这两个三角形是否相似并说明为什么?
(2)能否分别过A,D在这两个三角形中各作一条辅助线,使△ABC分割成的两个三角形与△DEF分割成的两个三角形分别对应相似?证明你的结论.
考点分析:
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