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在2014年各地中考试卷中,与三视图有关的试题是一大亮点.多数题目来源于课本,在课本例题中或多或少都能找到类似的影子.下面对课本中一道例题进行相关的拓展.课本原题如图1,分别根据三视图(1)、(2)说出立体图形的名称.解析:解决本题首先认准三视图,分别根据主视图、俯视图和左视图想象立体图形的前面、上面和左侧面,然后综合考察整体图形的形状.由于图(1)中的三个视图都是矩形,可想象图(1)对应的这
The exams related to the three views are a bright spot in the exam papers around the world in 2014. Most of the questions come from the textbooks and more or less similar shadow can be found in the textbook examples below. Expand the original textbook as shown in Figure 1, respectively, according to the three views (1), (2) say the name of the three-dimensional graphics.Analyze: solve this problem first look for the three views, respectively, according to the main view, top view and left view imaginable three-dimensional graphics Front, top and left side, and then a comprehensive study of the overall shape of the shape of Figure (1) of the three views are rectangular, it is conceivable (1) corresponds to this