四边形是继三角形后的又一封闭图形,其中关于平行四边形的内容更是中考命题的要点.中考常考查与四边形有关的角、周长、面积、线段、折叠、证明等问题,近年来又出现了许多与四边形有关的开放探索题、操作题,以及四边形与函数知识相结合的综合题.题型灵活多变,常以填空题、选择题、计算题和综合证明题的形式出现,分值一般占12分左右. The quadrilateral is another closed form following the triangle. The content of the parallelogram is the main point of the examination proposition. The questions often related to the quadrangle, such as the angle, perimeter, area, line segment, fold, and proof, have appeared in recent years. Many open-problem questions related to quadrilaterals, operation questions, and synthesis questions combining quadrilaterals and function knowledge. The types of questions are flexible, often appearing in the form of blank-filled questions, multiple-choice questions, calculation questions, and comprehensive certification questions. Generally about 12 points.