立体几何问题 四棱锥F-ABCD的底面ABCD是菱形四棱锥F-ABCD的底面ABCD是菱形,对角线AC=2,BD=√2,AE,CF都与平面ABCD垂直,AE=2,CF=2.:(1)求二面角B-AF-D的大小(2)求四棱锥E-ABCD与四棱锥F-ABCD公共部分体积安
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![立体几何问题 四棱锥F-ABCD的底面ABCD是菱形四棱锥F-ABCD的底面ABCD是菱形,对角线AC=2,BD=√2,AE,CF都与平面ABCD垂直,AE=2,CF=2.:(1)求二面角B-AF-D的大小(2)求四棱锥E-ABCD与四棱锥F-ABCD公共部分体积安](/uploads/image/z/7639936-16-6.jpg?t=%E7%AB%8B%E4%BD%93%E5%87%A0%E4%BD%95%E9%97%AE%E9%A2%98+%E5%9B%9B%E6%A3%B1%E9%94%A5F-ABCD%E7%9A%84%E5%BA%95%E9%9D%A2ABCD%E6%98%AF%E8%8F%B1%E5%BD%A2%E5%9B%9B%E6%A3%B1%E9%94%A5F-ABCD%E7%9A%84%E5%BA%95%E9%9D%A2ABCD%E6%98%AF%E8%8F%B1%E5%BD%A2%2C%E5%AF%B9%E8%A7%92%E7%BA%BFAC%3D2%2CBD%3D%E2%88%9A2%2CAE%2CCF%E9%83%BD%E4%B8%8E%E5%B9%B3%E9%9D%A2ABCD%E5%9E%82%E7%9B%B4%2CAE%3D2%2CCF%3D2.%3A%281%29%E6%B1%82%E4%BA%8C%E9%9D%A2%E8%A7%92B-AF-D%E7%9A%84%E5%A4%A7%E5%B0%8F%EF%BC%882%EF%BC%89%E6%B1%82%E5%9B%9B%E6%A3%B1%E9%94%A5E-ABCD%E4%B8%8E%E5%9B%9B%E6%A3%B1%E9%94%A5F-ABCD%E5%85%AC%E5%85%B1%E9%83%A8%E5%88%86%E4%BD%93%E7%A7%AF%E5%AE%89)
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