在四边形ABCD中,AD=8,CD=6,AB=13,角ADC=90度,且AB向量*AC向量=50设△ABD的面积为S△ABC,△BCD的面积为S△BCD,求S△ABC/S△BCD的值
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![在四边形ABCD中,AD=8,CD=6,AB=13,角ADC=90度,且AB向量*AC向量=50设△ABD的面积为S△ABC,△BCD的面积为S△BCD,求S△ABC/S△BCD的值](/uploads/image/z/5162293-37-3.jpg?t=%E5%9C%A8%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2CAD%3D8%2CCD%3D6%2CAB%3D13%2C%E8%A7%92ADC%3D90%E5%BA%A6%2C%E4%B8%94AB%E5%90%91%E9%87%8F%2AAC%E5%90%91%E9%87%8F%3D50%E8%AE%BE%E2%96%B3ABD%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BAS%E2%96%B3ABC%2C%E2%96%B3BCD%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BAS%E2%96%B3BCD%2C%E6%B1%82S%E2%96%B3ABC%2FS%E2%96%B3BCD%E7%9A%84%E5%80%BC)
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