摘要
正方体的一些特殊性质并不复杂,亦不难,借助这些特殊性质解与正方体相关的一类立体几何题可收事半功倍之效。
Some properties of a cube are not omplex and difficult. Solving a kind of standardized problem on solid geometry by these special properties of a cube issimple, direct and quick.
出处
《铜仁师范高等专科学校学报》
2002年第3期82-84,共3页
Journal of Tongren Teachers College
关键词
正方体
性质
立体几何题
面对角线
等距四顶点
正四面体
cube
special property
problem on solid geometry
diagonal of a face
four vertices of a cube at equal distance
regular tetrahedron
