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Definition of a sphere

Updated: 10/23/2022
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Geometry.a.a solid geometric figure generated by the revolution of a semicircle about its diameter; a round body whose surface is at all points equidistant from the center. Equation: x 2 + y2 + z2 = r2.b.the surface of such a figure; a spherical surface.or a "3D form" of a circle

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Q: Definition of a sphere
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