如图直线l1与直线l2垂直垂足为O,AM垂直于l1与M,AN垂直于l2于N,AM=4,AN=3,以A为圆心,R为半径作圆A,根据下列条件,确定R的取值范围.(1)若圆A与两直线无公共点,那么R的取值范围事什么?(2)若圆A与两
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![如图直线l1与直线l2垂直垂足为O,AM垂直于l1与M,AN垂直于l2于N,AM=4,AN=3,以A为圆心,R为半径作圆A,根据下列条件,确定R的取值范围.(1)若圆A与两直线无公共点,那么R的取值范围事什么?(2)若圆A与两](/uploads/image/z/14910979-67-9.jpg?t=%E5%A6%82%E5%9B%BE%E7%9B%B4%E7%BA%BFl1%E4%B8%8E%E7%9B%B4%E7%BA%BFl2%E5%9E%82%E7%9B%B4%E5%9E%82%E8%B6%B3%E4%B8%BAO%2CAM%E5%9E%82%E7%9B%B4%E4%BA%8El1%E4%B8%8EM%2CAN%E5%9E%82%E7%9B%B4%E4%BA%8El2%E4%BA%8EN%2CAM%3D4%2CAN%3D3%2C%E4%BB%A5A%E4%B8%BA%E5%9C%86%E5%BF%83%2CR%E4%B8%BA%E5%8D%8A%E5%BE%84%E4%BD%9C%E5%9C%86A%2C%E6%A0%B9%E6%8D%AE%E4%B8%8B%E5%88%97%E6%9D%A1%E4%BB%B6%2C%E7%A1%AE%E5%AE%9AR%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.%EF%BC%881%29%E8%8B%A5%E5%9C%86A%E4%B8%8E%E4%B8%A4%E7%9B%B4%E7%BA%BF%E6%97%A0%E5%85%AC%E5%85%B1%E7%82%B9%2C%E9%82%A3%E4%B9%88R%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E4%BA%8B%E4%BB%80%E4%B9%88%3F%EF%BC%882%29%E8%8B%A5%E5%9C%86A%E4%B8%8E%E4%B8%A4)
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