三角形Abc 是直角三角形,EG垂直于ac,eg是3,ab bc ,ac分别长30,40 ,50,三角形Abc 是直角三角形,EG垂直于ac,eg是3,ab bc ,ac分别长30,40 ,50,求bdef面积
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![三角形Abc 是直角三角形,EG垂直于ac,eg是3,ab bc ,ac分别长30,40 ,50,三角形Abc 是直角三角形,EG垂直于ac,eg是3,ab bc ,ac分别长30,40 ,50,求bdef面积](/uploads/image/z/5224368-48-8.jpg?t=%E4%B8%89%E8%A7%92%E5%BD%A2Abc+%E6%98%AF%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%2CEG%E5%9E%82%E7%9B%B4%E4%BA%8Eac%2Ceg%E6%98%AF3%2Cab+bc+%2Cac%E5%88%86%E5%88%AB%E9%95%BF30%2C40+%2C50%2C%E4%B8%89%E8%A7%92%E5%BD%A2Abc+%E6%98%AF%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%2CEG%E5%9E%82%E7%9B%B4%E4%BA%8Eac%2Ceg%E6%98%AF3%2Cab+bc+%2Cac%E5%88%86%E5%88%AB%E9%95%BF30%2C40+%2C50%2C%E6%B1%82bdef%E9%9D%A2%E7%A7%AF)
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