有关球的两道题!急!在线等1.已知同一平面内两圆相外切,若沿两圆的内公切线将平面折成大小为θ的二面角{θ∈(0,π)},求证:此两圆圆周上的所有点在同一球面上.2.点P在直径为1的球面上
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![有关球的两道题!急!在线等1.已知同一平面内两圆相外切,若沿两圆的内公切线将平面折成大小为θ的二面角{θ∈(0,π)},求证:此两圆圆周上的所有点在同一球面上.2.点P在直径为1的球面上](/uploads/image/z/7066404-36-4.jpg?t=%E6%9C%89%E5%85%B3%E7%90%83%E7%9A%84%E4%B8%A4%E9%81%93%E9%A2%98%21%E6%80%A5%21%E5%9C%A8%E7%BA%BF%E7%AD%891.%E5%B7%B2%E7%9F%A5%E5%90%8C%E4%B8%80%E5%B9%B3%E9%9D%A2%E5%86%85%E4%B8%A4%E5%9C%86%E7%9B%B8%E5%A4%96%E5%88%87%2C%E8%8B%A5%E6%B2%BF%E4%B8%A4%E5%9C%86%E7%9A%84%E5%86%85%E5%85%AC%E5%88%87%E7%BA%BF%E5%B0%86%E5%B9%B3%E9%9D%A2%E6%8A%98%E6%88%90%E5%A4%A7%E5%B0%8F%E4%B8%BA%CE%B8%E7%9A%84%E4%BA%8C%E9%9D%A2%E8%A7%92%EF%BD%9B%CE%B8%E2%88%88%EF%BC%880%2C%CF%80%EF%BC%89%EF%BD%9D%2C%E6%B1%82%E8%AF%81%EF%BC%9A%E6%AD%A4%E4%B8%A4%E5%9C%86%E5%9C%86%E5%91%A8%E4%B8%8A%E7%9A%84%E6%89%80%E6%9C%89%E7%82%B9%E5%9C%A8%E5%90%8C%E4%B8%80%E7%90%83%E9%9D%A2%E4%B8%8A.2.%E7%82%B9P%E5%9C%A8%E7%9B%B4%E5%BE%84%E4%B8%BA1%E7%9A%84%E7%90%83%E9%9D%A2%E4%B8%8A)
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