A sphere An ellipsoid A hyperbolic paraboloid
A sphere, a cone, a section of a sphere or ellipsoid, a torus (doughnut) sliced by a plane perpendicular to its axis, a paraboloid. These are some examples.
A sphere intersected by a plane, which could be a hemisphere. Alternatively, a cone, or a paraboloid.
If you have one flat face and I have one curved face, which one of us is the 3d shape? Anyway, a 3d shape with pne f;at, circular face and one curved face could be: a section of a sphere or a section of an ellipsoid cut by a plane parallel to one of its axes, a section of a paraboloid or a cone. There are probably other shapes.
a pyramid is a 3D shape :)
A sphere An ellipsoid A hyperbolic paraboloid
A Circle if you mean 2d circle, 3d sphere =P Any continuously curves shape has no sides; ellipse (ellipsoid), cone, hyperbolic paraboloid...
A sphere, a cone, a section of a sphere or ellipsoid, a torus (doughnut) sliced by a plane perpendicular to its axis, a paraboloid. These are some examples.
Sphere, cylinder, paraboloid.
A sphere intersected by a plane, which could be a hemisphere. Alternatively, a cone, or a paraboloid.
either a semisphere or a hemisphere
If you have one flat face and I have one curved face, which one of us is the 3d shape? Anyway, a 3d shape with pne f;at, circular face and one curved face could be: a section of a sphere or a section of an ellipsoid cut by a plane parallel to one of its axes, a section of a paraboloid or a cone. There are probably other shapes.
There are several options that depend on the definition of a "side of face". An infinite cone a paraboloid a semi-hyperboloid an ellipsoid a spheroid are some examples. And, last but not least, a smooth blob.
It depends on the 3d shape.
The dish in a radio telescope collects and focuses radio waves from space onto a receiver, allowing astronomers to study celestial objects and phenomena. It is a key component that helps to amplify weak signals and improve the sensitivity of the telescope.
It is not a 3D shape.
A camera is a 3D shape. A photograph is a 2D projection of a 3D shape onto a 2D shape.