资讯

BBC2 年
Sort 2D and 3D shapes
The other triangles are irregular polygons. 3D shapes have different properties to 2D shapes. Faces - A face is a flat surface on a 3D shape. Edges - An edge is where two faces meet. For example a ...
BBC8 个月
Sort 2D and 3D shapes
The other triangles are irregular polygons. 3D shapes have different properties to 2D shapes. Faces - A face is a flat surface on a 3D shape. Edges - An edge is where two faces meet. For example a ...