如何作辅助线是我们学习几何时经常要面对的问题,掌握好作辅助线的方法对学好初中几何知识很有帮助,下面就三角形中常见作辅助线的几种方法例析如下。 How to make aiding line is that we often have to face the problem of learning geometry, a good way to master the auxiliary line of knowledge to help junior high school geometry is very helpful, the following commonly used in the triangle as a guideline of several methods are as follows.