i dont know i think its a circular prism or something else
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No it is not. Because a prism has two plane faces - at opposite ends.
It could be an ellipsoid or spheroid sliced by a plane (a hemisphere, for example). Or a torus sliced by a plane (top half of a doughnut). Or a cone.
curve
A cone.
A cone would fit the given description
A cylinder. Technically, the curved surface of a cylinder is not called a face, only the flat surfaces, so a cylinder has 2 faces and one curved surface.
sphere
half a sphere
a cone.
A Cylinder
A cone.
A cone would fit the given description
A cylinder. Technically, the curved surface of a cylinder is not called a face, only the flat surfaces, so a cylinder has 2 faces and one curved surface.
One curved surface (that goes round the cylinder) and 2 flat ends
Cylindrical shape or Cylinder shape
A Semi-Sphere :)
a sphere
a sphere
half circle
A Cone