It has two flat surfaces.
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A Cylinder
One curved surface (that goes round the cylinder) and 2 flat ends
If you consider a cylinder, it has two faces, of you consider a cone instead, it has one face ONLY.
It is one of the flat circular bit, and is at the end of the cylinder.
A Semi-Sphere :)
The shape that has two faces and can roll is a cylinder. A cylinder has two circular faces at either end, and its curved surface allows it to roll smoothly. This shape is commonly seen in everyday objects such as cans, coins, and wheels.
A Cylinder
One curved surface (that goes round the cylinder) and 2 flat ends
a projection map
6
Only one. All squares are figures drawn entirely on a flat surface.
A cylinder has 2 flat surfaces and 1 curved surface.In differential geometry, a cylinder is defined more broadly as any ruled surface spanned by a one-parameter family of parallel lines. As such it can have any number of flat surfaces but need not have any at all. A cylinder whose cross section is an ellipse, parabola, or hyperbola is called an elliptic cylinder, parabolic cylinder, or hyperbolic cylinderrespectively; these have no flat surfaces.
If you consider a cylinder, it has two faces, of you consider a cone instead, it has one face ONLY.
A cylinder has two faces. An object is considered to have a face when one of the sides is flat. For example, a cube has 6 face because it has 6 areas on its surface that are flat.
It is one of the flat circular bit, and is at the end of the cylinder.
One flat surface is a table. Many flat surfaces are facets.
They are alike because they are both 3 dimensional. They are different because the cube has 6 flat faces, but the cylinder has only 2 flat faces and one curved face.