《解直角三角形》一章是初中数学的重点内容之一,也是高中数学中的三角学的预备知识,是历年中考必考内容.随着数学课程标准的实施和中考命题改革的不断深入,考查解直角三角形有关知识的题型在不断创新,从考查的意图上看,对知识和能力要求更趋全面、灵活.了解和 The chapter “Solving the Right Angle Triangle” is one of the key contents of junior high school mathematics, and it is also the preliminary knowledge of the trigonometry in high school mathematics. It is the required content of the annual examination in the senior middle school. With the implementation of the mathematics curriculum standards and the continuous deepening of the proposition reform in the examination, the examination The question type of solving knowledge about right triangles is constantly innovating. From the perspective of the examination, the requirements for knowledge and ability are more comprehensive and flexible.