相似三角形是在全等三角形的基础上的拓广和发展.因此,学生在学习相似三角形时,会遇到很多困难,在解题中经常会出现一些问题,下面就学生在解相似三角形问题时,出现的错误分类辨析如下,供大家参考.一、盲目套用旧知识例1如图1,在△ABC和△A’B’C’中,AD⊥BC,A’D’⊥B’C’,D,D’为垂足.且AB/A’B’= Similar triangles are broadening and developing on the basis of congruent triangles. Therefore, students will encounter many difficulties in learning similar triangles. There are often problems in solving problems. The following is a case where students solve similar triangle problems. , the error classification appears as follows, for your reference. I. Blindly applying old knowledge Example 1 In Figure 1, in △ABC and △A’B’C’, AD ⊥BC, A’D’ ⊥B’C’ , D, D’ for the foot, and AB/A’B’=