先将三点向左下平移向量(287300,506600)
得到A‘ (352.8,36.06),B' (46.528,106.719),C' (334.501,51.564)
再求A’B‘直线的方程:
70.659x+306.272y-35972.7=0
再带入C’的坐标:
结果是10.9934
先将三点向左下平移向量(287300,506600)
得到A‘ (352.8,36.06),B' (46.528,106.719),C' (334.501,51.564)
再求A’B‘直线的方程:
70.659x+306.272y-35972.7=0
再带入C’的坐标:
结果是10.9934