纸片的折叠问题情境常用来考查轴对称性质,而且着重考查基本图形——等腰三角形、矩形、菱形、正多边形、圆的性质。折叠后的图形与原图形关于折痕是成轴对称,所有对应点的连线被折痕垂直平分,对 The paper folding problem situation often used to examine the axisymmetric nature, but also focus on examining the basic graphics - isosceles triangle, rectangle, diamond, regular polygon, round nature. Folded graphics and the original graphics on the crease is axisymmetric, all the corresponding points of the vertical bisector crease, right