勾股定理是初中几何核心内容,历年来也是中考必考知识点,为了帮助同学们提前一览中考试卷上会以怎样的形式考查勾股定理,我们特别精选几例,供大家提前演练. 1. (2010·四川泸州)在△ABC中,AB =6,AC=8,BC=10,则该三角形为( ). A. 锐角三角形 B. 直角三角形 C. 钝角三角形 D. 等腰直角三角形 2. (2011·湖北武汉)如图,铁路MN和公路PQ在点O处交
Objective Knowledge of an enterovirus genome sequence is very important in epidemiological investigation to identify transmission patterns and ascertain the ext