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在中考中,一般有应用解直角三角形的知识去解决一些实际问题的题目,这类题目解法有规律可循.下面就具体的题目总结这类题目的解题方法.一、一般三角形模型解决方案——在三角形外作高或在三角形内作高构造两个直角三角形解之.1.(2013·新疆)如图,一条自西向东的观光大道L上有A、B两个景点,A、B相距2km,在A处测得另一景点C位于景点A的北偏东60°方向,在B处测得景点C
In the senior high school entrance examination, there are generally applied to solve the knowledge of right-angled triangle to solve some of the problems of the actual problem, the solution to the problem of the law to follow. The following specific topics to summarize the solution to these problems. First, the general triangular model solution - In the triangle outside the high or in the triangle for high structure two right triangle solution.1 (2013 · Xinjiang) As shown, a west to east sightseeing Avenue L there are A, B two spots, A, B 2km apart, another scenic spot measured at A C 60 ° north east of Scenario A, Scenario C measured at B