已知等腰梯形ABCD中,AB‖CD,对角线AC与BD交于点E,且AC⊥BD,S梯形ABCD=36,S△BCE:S△DCE=2:1(1)求梯形ABCD的两底长和高(2)如图,AB在x轴上,D在y轴上,求经过A、B、D三点的抛物线的解析式
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![已知等腰梯形ABCD中,AB‖CD,对角线AC与BD交于点E,且AC⊥BD,S梯形ABCD=36,S△BCE:S△DCE=2:1(1)求梯形ABCD的两底长和高(2)如图,AB在x轴上,D在y轴上,求经过A、B、D三点的抛物线的解析式](/uploads/image/z/1169947-19-7.jpg?t=%E5%B7%B2%E7%9F%A5%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAB%E2%80%96CD%2C%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E4%B8%8EBD%E4%BA%A4%E4%BA%8E%E7%82%B9E%2C%E4%B8%94AC%E2%8A%A5BD%2CS%E6%A2%AF%E5%BD%A2ABCD%3D36%2CS%E2%96%B3BCE%EF%BC%9AS%E2%96%B3DCE%3D2%EF%BC%9A1%EF%BC%881%EF%BC%89%E6%B1%82%E6%A2%AF%E5%BD%A2ABCD%E7%9A%84%E4%B8%A4%E5%BA%95%E9%95%BF%E5%92%8C%E9%AB%98%EF%BC%882%EF%BC%89%E5%A6%82%E5%9B%BE%2CAB%E5%9C%A8x%E8%BD%B4%E4%B8%8A%2CD%E5%9C%A8y%E8%BD%B4%E4%B8%8A%2C%E6%B1%82%E7%BB%8F%E8%BF%87A%E3%80%81B%E3%80%81D%E4%B8%89%E7%82%B9%E7%9A%84%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F)
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