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《经过三点的圆》教案执教：盐池县三中马忠海简评：自治区教研室李进启教学要求１．使学生理解关于确定圆的重要定理的推证过程．２．掌握经过不在同一直线上的三个点作圆的方法和三角形的外接圆、三角形的外心、圆的内接三角形的概念．教学重点１．确定圆的定理（不在同...
“After three o'clock round” lesson plans Coaching: Yanchi County Ma Zhonghai Brief Comments: Autonomous Region Teaching and Research Section Li Jinqi teaching requirements 1. To enable students to understand the proof of the important theorem on determining a circle. 2. Grasp the idea of rounding triangles that go beyond three points that are not on the same straight line and the circumscribed triangles of the circumscribed triangles of the triangles, the outer circumferences of the triangles, and the triangles. Teaching focus 1. Determine the theorem of the circle