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外心就是外接圆的圆心,也是三边中垂线的交点,内心,内切圆的圆心,是三边角平分线的交点

Posted by sunmoonstar_love at 2005-07-20 19:22:07 on Problem 2504
In Reply To:我都忘了这个叫外心了。三角形的旁心是什么?我一直不知道 Posted by:c0500448264 at 2005-07-20 18:47:54


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