摘要
本文给出平面闭折线有向面积的一个定理及其若干推论.推广拿破仑三角形的一些已知结论.
In this paper , one theorem of directed areas for plane closed folding is given , some known results of Napoleon triangles are promoted.
出处
《赣南师范学院学报》
2007年第3期48-51,共4页
Journal of Gannan Teachers' College(Social Science(2))
关键词
平面闭折线
有向面积
拿破仑三角形
plane closed folding
Directed area
Napoleon triangle.