已知平面α截一球面得圆M,过圆心M且与α成60°二面角的平面β截该球面得圆N.若该球面的半径为4,圆M的面积为4π,则圆N的面积为 求出on=根号三 om=2倍根号三 然后那?
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![已知平面α截一球面得圆M,过圆心M且与α成60°二面角的平面β截该球面得圆N.若该球面的半径为4,圆M的面积为4π,则圆N的面积为 求出on=根号三 om=2倍根号三 然后那?](/uploads/image/z/6768256-40-6.jpg?t=%E5%B7%B2%E7%9F%A5%E5%B9%B3%E9%9D%A2%CE%B1%E6%88%AA%E4%B8%80%E7%90%83%E9%9D%A2%E5%BE%97%E5%9C%86M%2C%E8%BF%87%E5%9C%86%E5%BF%83M%E4%B8%94%E4%B8%8E%CE%B1%E6%88%9060%C2%B0%E4%BA%8C%E9%9D%A2%E8%A7%92%E7%9A%84%E5%B9%B3%E9%9D%A2%CE%B2%E6%88%AA%E8%AF%A5%E7%90%83%E9%9D%A2%E5%BE%97%E5%9C%86N.%E8%8B%A5%E8%AF%A5%E7%90%83%E9%9D%A2%E7%9A%84%E5%8D%8A%E5%BE%84%E4%B8%BA4%2C%E5%9C%86M%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA4%CF%80%2C%E5%88%99%E5%9C%86N%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA+%E6%B1%82%E5%87%BAon%3D%E6%A0%B9%E5%8F%B7%E4%B8%89+om%3D2%E5%80%8D%E6%A0%B9%E5%8F%B7%E4%B8%89+%E7%84%B6%E5%90%8E%E9%82%A3%3F)
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