108年統測數c | 直線與圓
Synopsis
這一題有多種作法在這裡是利用斜率與相似的關係找到線段長的比例去做假設可以學一下這樣的技巧來做化簡.
![[ 一分鐘重點整理]直線與圓的位置關係 | 圓形 | 國三上(9年級) | 國中數學 | 錚學院](https://i.ytimg.com/vi/0-pf3eMvIH4/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLBnnWxgWPBA04jaHvT966iby1OLvw)
![[直線與圓][弦心距求圓方程]](https://i.ytimg.com/vi/a6dPhisZiQY/hq720.jpg?sqp=-oaymwE2CNAFEJQDSFXyq4qpAygIARUAAIhCGAFwAcABBvABAfgB1AaAAuADigIMCAAQARhUIGIoZTAP&rs=AOn4CLDKCLMztUEL6bhNqxi9yCM3J86oGw)
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