直角梯形ABCD中,角ADC等于90度,AD平行BC,点E在BC上,点F在AC上,角DFC等于角AEB.问:当AD等于8,DC等问:当AD等于8,DC等于6,点E.F分别是BC,AC的中点时,求直角梯形ABCD的面积
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![直角梯形ABCD中,角ADC等于90度,AD平行BC,点E在BC上,点F在AC上,角DFC等于角AEB.问:当AD等于8,DC等问:当AD等于8,DC等于6,点E.F分别是BC,AC的中点时,求直角梯形ABCD的面积](/uploads/image/z/6626940-60-0.jpg?t=%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2C%E8%A7%92ADC%E7%AD%89%E4%BA%8E90%E5%BA%A6%2CAD%E5%B9%B3%E8%A1%8CBC%2C%E7%82%B9E%E5%9C%A8BC%E4%B8%8A%2C%E7%82%B9F%E5%9C%A8AC%E4%B8%8A%2C%E8%A7%92DFC%E7%AD%89%E4%BA%8E%E8%A7%92AEB.%E9%97%AE%EF%BC%9A%E5%BD%93AD%E7%AD%89%E4%BA%8E8%2CDC%E7%AD%89%E9%97%AE%EF%BC%9A%E5%BD%93AD%E7%AD%89%E4%BA%8E8%EF%BC%8CDC%E7%AD%89%E4%BA%8E6%EF%BC%8C%E7%82%B9E.F%E5%88%86%E5%88%AB%E6%98%AFBC%2CAC%E7%9A%84%E4%B8%AD%E7%82%B9%E6%97%B6%EF%BC%8C%E6%B1%82%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2ABCD%E7%9A%84%E9%9D%A2%E7%A7%AF)
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