如图,直角三角形ABC的顶点坐标A(-2,0),直角顶点B(0,-2根号2),顶点C在x轴上,点P为线段OA的中点
http://www.nj29jt.net/admin/editor/UploadFile/2008514111219841.doc
如图,直角三角形ABC的顶点坐标A(-2,0),直角顶点B(0,-2根号2),顶点C在x轴上,点P为线段OA的中点
http://www.nj29jt.net/admin/editor/UploadFile/2008514111219841.doc