1.The flat surface of a solid figure is called a face.A closed two-dimensional, or flat, figure is called a plane shape. Different plane shapes have different attributes, such as the number of sides or corners (or vertices).
2.A rectangular pyramid has 5 faces. Its base is a rectangle or a square and the other 4 faces are triangles. It has 8 edges and 5 vertices. and four vertices.
3.A cylinder has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. Geometrically, it can be considered as a prism with a circle as its base.
