surface or planes of shpere
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The sphere and plane are the onlysurfaces with this property. Thesphere does not have a surface of centers. For a given normal section exists a circle of curvature that equals the sectional curvature, is tangent to the surface, and the center lines of which lie along on the normal line.
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sumit1827:
how many surface of sphere
A great circle of a sphere is the intersection of the sphere and a plane that passes through the center point of the sphere. A sphere has infinitely many great circles. For most pairs of points on the surface of a sphere, there is a unique great circle through the two points.
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Step-by-step explanation:
Total surface area=4piR²
volume=pi × r³
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