Explore the properties of 2D shapes from one-sided circles to the eight-sided octagons. What makes a shape symmetrical? Find out what makes a shape symmetrical. Positions, directions and turns Learn ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果