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如图,在矩形\(ABCD\)中,\(AD = 4\).对角线\(AC\)与\(BD\)相交于点\(O\),\(AE \bot BD\),垂足为\(E\),\(DE = 3BE\),则\(AE\)的长为( )
A.\(2\sqrt 3 \)
B.\(\sqrt 3 \)
C.\(\frac{{\sqrt 3 }}{2}\)
D.2
参考答案:D
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