如图4,有一块梯形铁如图4,有一块梯形铁板ABCD,AB∥CD,∠A=90°,AB=6 m,CD=4 m,AD=2 m,现在梯梯形中裁出一内接矩形铁板AEFG,使E在AB上,F在BC上,G在AD上,若矩形铁板的面积为5 m2,则矩形的一边EF长为
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![如图4,有一块梯形铁如图4,有一块梯形铁板ABCD,AB∥CD,∠A=90°,AB=6 m,CD=4 m,AD=2 m,现在梯梯形中裁出一内接矩形铁板AEFG,使E在AB上,F在BC上,G在AD上,若矩形铁板的面积为5 m2,则矩形的一边EF长为](/uploads/image/z/8559646-70-6.jpg?t=%E5%A6%82%E5%9B%BE4%2C%E6%9C%89%E4%B8%80%E5%9D%97%E6%A2%AF%E5%BD%A2%E9%93%81%E5%A6%82%E5%9B%BE4%2C%E6%9C%89%E4%B8%80%E5%9D%97%E6%A2%AF%E5%BD%A2%E9%93%81%E6%9D%BFABCD%2CAB%E2%88%A5CD%2C%E2%88%A0A%3D90%C2%B0%2CAB%3D6+m%2CCD%3D4+m%2CAD%3D2+m%2C%E7%8E%B0%E5%9C%A8%E6%A2%AF%E6%A2%AF%E5%BD%A2%E4%B8%AD%E8%A3%81%E5%87%BA%E4%B8%80%E5%86%85%E6%8E%A5%E7%9F%A9%E5%BD%A2%E9%93%81%E6%9D%BFAEFG%EF%BC%8C%E4%BD%BFE%E5%9C%A8AB%E4%B8%8A%EF%BC%8CF%E5%9C%A8BC%E4%B8%8A%EF%BC%8CG%E5%9C%A8AD%E4%B8%8A%EF%BC%8C%E8%8B%A5%E7%9F%A9%E5%BD%A2%E9%93%81%E6%9D%BF%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA5+m2%EF%BC%8C%E5%88%99%E7%9F%A9%E5%BD%A2%E7%9A%84%E4%B8%80%E8%BE%B9EF%E9%95%BF%E4%B8%BA)
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