Radius of a Sphere

Short Definition

(This is 10th grade math, please don't make it advanced)

The radius of a sphere is the distance from the center of the sphere to any point on the surface of the sphere.

The radius of a sphere is the distance from the center of the sphere to any point on its surface. In simpler terms, it is the distance from the center of the sphere to the outermost edge, which is the same in all directions.