Why are pyramids built triangle in shape?why not square?or any other shapes?

分类: 作业答案 • 2021-12-31 13:31:16

问题描述：

Why are pyramids built triangle in shape?why not square?or any other shapes?
in chinase

答

为什么金字塔是三角形（指侧视图,实际上金字塔是四棱锥）的呢?为什么不是方的呢?或是别的形态?