The dark area is so dark that I'm unable to see it from here. But I do know that
in general, the intersection of a plane and a sphere is a circle.
We're having a hard time making out the dark grey area from here. But the intersection of a plane and a sphere is always a circle.
plane shape
a circle!
It has a curved surface.
A circle, which could degenerate to a point.
We're having a hard time making out the dark grey area from here. But the intersection of a plane and a sphere is always a circle.
plane shape
a circle!
It has a curved surface.
A circle, which could degenerate to a point.
If your question is " What is the shape of a sphere's tangent?" , then the answer is : a plane. A plane basically touches the sphere at only one point and hence , it should be a plane. It cannot be a straight line , as a straight line is a tangent for 2D objects,( ie.) a circle.
A sphere sliced by a plane; or a cone.
In geometry, the only shape that has one surface is a plane.
a polyhedron * * * * * That is only if it is bounded by plane faces. A sphere, for example, is a three dimensional shape but is not a polyhedron: it is a solid shape.
A sphere sliced by a plane, eg a hemisphere.
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.
Since a sphere is round it is a shape without a face.