| 释义 |
Directed area
基本例句
有向面积
By defining the directed area of polygons, We went into its properties and applications andobtained several new fixed value theorems of polygons.通过给出平面多边形的有向面积，探讨有向面积的一些性质和应用，提出一平面多边形的若干新的定值定理。
In this paper, a fixed value theorem for directed areas of a kind of triangles in elliptic circumscribed polygons is obtained, thus some results, including the famous Brianchon theorem for elliptic circumscribed triangles, are deduced easily.本文给出椭圆外切 2n +1边形中一类切顶线三角形有向面积的一个定值定理及其若干推论 ,其中包括射影几何中著名的Brianchon定理在椭圆外切三角形中的情形
In this paper,some fixed value theorems for directed areas in circular c ircumscribed pentagons are obstain ed,thus some concurrent results,including the famous Brianchon theo rem for circular circumscribed pent agons,can be deduced easily.本文给出圆外切五边形中有向面积的几个定值定理,并据此推出圆外切五边形中的一些共点性结论,其中包括射影几何中著名的Brianchon定理在圆外切五边形中的情形。
A Formula of Directed Area for A Class of Pedal Polygons and Its Application一类垂足多边形的有向面积公式及其应用 |