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近年,各地中考中涌现出了不少有关多边形的创新题.这些试题设计新颖。格调清新.为了开阔同学们的视野,现介绍几例,供参考.一复原数据例1某青少年活动中心在装修过程中,准备用边长相等的正五边形和四个角相等的“四角星”两种地板砖铺设地面.施工人员在接近尾声时发现四角星地板砖还缺几块.负责采购的小王带着如图1所示的图纸来到地板砖销售处.但这时他才发现图纸上标注的四角星地板砖的度数等数据已经无法辨认.你能将图中四角星地板砖的度
In recent years, there have been many innovative questions about polygons in the middle school entrance examinations. Fresh style .In order to broaden the students’ horizons, are introduced a few cases for reference.Recover data example 1 a youth activity center in the decoration process, ready to use equal length of regular pentagons and four corners equal “ Four-pointed star ”two kinds of floor tiles laying the ground.Engineers near the end found four-pointed star floor tiles still missing a few pieces of the king in charge of purchasing with the drawings shown in Figure 1 to the floor tiles sales office. When he found the drawings on the four-pointed star floor tile degree and other data has been illegible.You can map the four-pointed star floor tile degree