A sphere has no corners, it is a 3-D circle.
A sphere has no corners or edges.
There are no corners to a sphere because a sphere should have no vertices.
hemi
A sphere doesn't have any corners.
It has one
A hemi-sphere
A semicircle.
Sphere is the root word of "hemisphere". "Hemi" is a prefix meaning "half".
Half a sphere has a prefix of "hemi" as in the Northern Hemishere.
A sphere has no corners and no edges
A sphere has no faces an corners. The term "faces" and "corners" are applied to polyhedrons, figures with flat surfaces.