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勾股定理揭示了一个直角三角形三条边之间的数量关系,它可以解决许多有关直角三角形的计算问题,在现实生活中有着广泛的应用.本文通过例析其重点知识,以便加深同学们对勾股定理的理解.一、知识网络二、复习目标1.通过复习能进一步体验勾股定理的探索过程,会运用勾股定理解决简单的几何问题.
The Pythagorean theorem reveals the quantitative relationship between the three sides of a right-angled triangle. It can solve many problems related to the calculation of right-angled triangles. It has a wide range of applications in real life. This article analyzes its key knowledge in order to deepen the students’ hooks. The understanding of the stock theorem. First, the knowledge network Second, review the goal 1. Through the review can further experience the exploration process of the Pythagorean theorem, will use the Pythagorean theorem to solve simple geometric problems.