《三角形》一章是初中几何的重点和关键，它具有承前启后的作用．因此，通过期未复习，加深对这一章的知识和方法的理解和掌握，将具有十分重要的意义．那么，怎样复习《三角形》（不含勾股定理）这一章呢？一、总结归纳，将知识系统化这一章的知识，可总结归纳为四个方面：1． The “Triangle” chapter is the key and key point of the junior high school geometry. It has the function of inheriting the past. Therefore, it will be of great significance if we do not review and improve the understanding and mastery of this chapter’s knowledge and methods. So, how do you review the chapter “Triangle” (excluding the Pythagorean Theorem)? First, summarizing and summing up, the knowledge of systematizing this chapter can be summed up into four aspects: 1.