如图13,圆O的半径为3,点O到直线L的距离为5,点P是直线L的一个动点,PB切圆O于点B探究一:(1)当OP⊥l时,求PB的值 (2)当OP与l的夹角为30°时,求PB的值.探究二:当点P是直线l上运动时,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 03:45:15
![如图13,圆O的半径为3,点O到直线L的距离为5,点P是直线L的一个动点,PB切圆O于点B探究一:(1)当OP⊥l时,求PB的值 (2)当OP与l的夹角为30°时,求PB的值.探究二:当点P是直线l上运动时,](/uploads/image/z/7758844-52-4.jpg?t=%E5%A6%82%E5%9B%BE13%2C%E5%9C%86O%E7%9A%84%E5%8D%8A%E5%BE%84%E4%B8%BA3%2C%E7%82%B9O%E5%88%B0%E7%9B%B4%E7%BA%BFL%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA5%2C%E7%82%B9P%E6%98%AF%E7%9B%B4%E7%BA%BFL%E7%9A%84%E4%B8%80%E4%B8%AA%E5%8A%A8%E7%82%B9%2CPB%E5%88%87%E5%9C%86O%E4%BA%8E%E7%82%B9B%E6%8E%A2%E7%A9%B6%E4%B8%80%EF%BC%9A%EF%BC%881%EF%BC%89%E5%BD%93OP%E2%8A%A5l%E6%97%B6%2C%E6%B1%82PB%E7%9A%84%E5%80%BC++++++++++++++%EF%BC%882%EF%BC%89%E5%BD%93OP%E4%B8%8El%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA30%C2%B0%E6%97%B6%2C%E6%B1%82PB%E7%9A%84%E5%80%BC.%E6%8E%A2%E7%A9%B6%E4%BA%8C%EF%BC%9A%E5%BD%93%E7%82%B9P%E6%98%AF%E7%9B%B4%E7%BA%BFl%E4%B8%8A%E8%BF%90%E5%8A%A8%E6%97%B6%2C)
xS]kP+D69=Mh襐Itvk\*W+:ptt:Ir{C9y'Lӝ2aX/owH/i7}o ӽ3._h Q]%ߩZjχ@tnkM?n7QoLE G~gQ3j]; !te߮uvy?TCߵ^T i}\6K
yݍ`e",9]xMkzr~b`[Em?O9ө*ܣXG;o)lt,sbF.$ffg\(pOSSsnnfNL,"8n/˶hK2'`ɶ&bdMY fCJڒX:`ŞKB`^đ)Iebx ,1H&oAtE
amڀCT7450,F(\#X
A9(M*;cjM_
nxM&hxB