三角形内心和外心距离公式如何求三角形内心和外心距离?记得有一个万能的通用公式!不是“L^2={sin|β-arccos(φ/2ab)|×[φ/(a+b+c)]/sinβ}^2+{abc/φ -[cos|β-arccos(φ/2ab)|×[φ/(a+b+c)]/sinβ]}^2”似乎告
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 15:51:02
![三角形内心和外心距离公式如何求三角形内心和外心距离?记得有一个万能的通用公式!不是“L^2={sin|β-arccos(φ/2ab)|×[φ/(a+b+c)]/sinβ}^2+{abc/φ -[cos|β-arccos(φ/2ab)|×[φ/(a+b+c)]/sinβ]}^2”似乎告](/uploads/image/z/7014858-42-8.jpg?t=%E4%B8%89%E8%A7%92%E5%BD%A2%E5%86%85%E5%BF%83%E5%92%8C%E5%A4%96%E5%BF%83%E8%B7%9D%E7%A6%BB%E5%85%AC%E5%BC%8F%E5%A6%82%E4%BD%95%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2%E5%86%85%E5%BF%83%E5%92%8C%E5%A4%96%E5%BF%83%E8%B7%9D%E7%A6%BB%3F%E8%AE%B0%E5%BE%97%E6%9C%89%E4%B8%80%E4%B8%AA%E4%B8%87%E8%83%BD%E7%9A%84%E9%80%9A%E7%94%A8%E5%85%AC%E5%BC%8F%21%E4%B8%8D%E6%98%AF%E2%80%9CL%5E2%3D%7Bsin%EF%BD%9C%CE%B2-arccos%28%CF%86%2F2ab%29%EF%BD%9C%C3%97%5B%CF%86%2F%28a%2Bb%2Bc%29%5D%2Fsin%CE%B2%7D%5E2%2B%7Babc%2F%CF%86+-%5Bcos%EF%BD%9C%CE%B2-arccos%28%CF%86%2F2ab%29%EF%BD%9C%C3%97%5B%CF%86%2F%28a%2Bb%2Bc%29%5D%2Fsin%CE%B2%5D%7D%5E2%E2%80%9D%E4%BC%BC%E4%B9%8E%E5%91%8A)
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