find the equation of the circle passing through the points (4 3) (-2 -5) and (5 2)Find the equation of the circle passing through the points (4 3) (-2 -5) and (5 2).我真的对这题完全没辙了.马上考试了.
问题描述：
find the equation of the circle passing through the points (4 3) (-2 -5) and (5 2)
Find the equation of the circle passing through the points (4 3) (-2 -5) and (5 2).
我真的对这题完全没辙了.马上考试了.
答
想要做圆方程,首先要找圆心A(4,3) B(-2,-5) C(5,2)过AC的直线为 y=-x+7 ,AC的中点为(4.5,2.5),则AC的中垂线为 y=x-2过BC的直线为 y=x-3,BC的中点为（1.5,-1.5）,则BC的中垂线为 y=-xAC的中垂线与BC的中垂线的交...