若P为半径长是6cm的圆O内一点,OP=2cm,则过点P的最短的弦长为()A 12cm B 2倍根号2cm C 4倍根号2cm D 8被若P为半径长是6cm的圆O内一点,OP=2cm,则过点P的最短的弦长为()A 12cm B 2倍根号2cm C 4倍根号2cm
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![若P为半径长是6cm的圆O内一点,OP=2cm,则过点P的最短的弦长为()A 12cm B 2倍根号2cm C 4倍根号2cm D 8被若P为半径长是6cm的圆O内一点,OP=2cm,则过点P的最短的弦长为()A 12cm B 2倍根号2cm C 4倍根号2cm](/uploads/image/z/10264245-69-5.jpg?t=%E8%8B%A5P%E4%B8%BA%E5%8D%8A%E5%BE%84%E9%95%BF%E6%98%AF6cm%E7%9A%84%E5%9C%86O%E5%86%85%E4%B8%80%E7%82%B9%2COP%3D2cm%2C%E5%88%99%E8%BF%87%E7%82%B9P%E7%9A%84%E6%9C%80%E7%9F%AD%E7%9A%84%E5%BC%A6%E9%95%BF%E4%B8%BA%EF%BC%88%EF%BC%89A+12cm+B+2%E5%80%8D%E6%A0%B9%E5%8F%B72cm+C+4%E5%80%8D%E6%A0%B9%E5%8F%B72cm+D+8%E8%A2%AB%E8%8B%A5P%E4%B8%BA%E5%8D%8A%E5%BE%84%E9%95%BF%E6%98%AF6cm%E7%9A%84%E5%9C%86O%E5%86%85%E4%B8%80%E7%82%B9%2COP%3D2cm%2C%E5%88%99%E8%BF%87%E7%82%B9P%E7%9A%84%E6%9C%80%E7%9F%AD%E7%9A%84%E5%BC%A6%E9%95%BF%E4%B8%BA%EF%BC%88%EF%BC%89A+12cm+B+2%E5%80%8D%E6%A0%B9%E5%8F%B72cm+C+4%E5%80%8D%E6%A0%B9%E5%8F%B72cm)
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