如图,在四边形ABCD中,∠B=∠ACD,AB=6 ,BC=4 AC=5 ,CD=7 1/2 求AD的长CD=15/2
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![如图,在四边形ABCD中,∠B=∠ACD,AB=6 ,BC=4 AC=5 ,CD=7 1/2 求AD的长CD=15/2](/uploads/image/z/2752972-52-2.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2C%E2%88%A0B%3D%E2%88%A0ACD%2CAB%3D6+%2CBC%3D4+AC%3D5+%2CCD%3D7+1%2F2+%E6%B1%82AD%E7%9A%84%E9%95%BFCD%3D15%2F2)
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