Sphere - Wikipedia. This article is about the concept in three- dimensional solid geometry. For other uses, see Sphere (disambiguation). A sphere (from Greek. This distance r is the radius of the ball, and the given point is the center of the mathematical ball. Digital Strategy enabled by high-performance analytics. Our Studios find new ways to engage customers and drive strategic growth. Beyond being good mathematicians. Sphere of influence, or sometimes zone of influence or sphere of interest, is a diplomatic term denoting an area in which a foreign power or powers exerts significant.
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