论文部分内容阅读
在近几年中考中,经常出现折叠三角形的问题,本文以2012年中考题为例,看看怎样计算相关的角的度数.例1(2012年南通)如图1,
In recent years in the test, often appear the problem of folding triangles, the paper takes the 2012 senior high school entrance examination questions as an example to see how to calculate the degree of the relevant angle.Example 1 (2012 Nantong) As shown in Figure 1,