不经历风雨,怎么见彩虹?当学完了解斜三角形回头再看看自己走的弯路时,我们同样颇有收获.解斜三角形问题,必须注意三角形中的边角等量关系、边角的不等关系及内角和关系等制约条件,否则必酿成大错!下面举例拨开解三角形的团团迷雾,望引以为戒.1.迷雾之一———忽视三角形的存在 Do not experience the storm, how to see the rainbow? When you learn about oblique triangle look back and take a detour to take their own way, we also quite rewarding. Xie oblique triangle problem, we must pay attention to the triangular equivalent of the corner, the corner is not And other relations and internal constraints and relations and other constraints, otherwise it will lead to big mistake! The following example to open the solution to the triangle fog puzzle, looking for precautionary.1.Main one --- ignore the existence of the triangle