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A sphere (from Greek σφαῖρα, sphaîra) [1] is a geometrical object that is a three-dimensional analogue to a two-dimensional circle. Formally, a sphere is the set of points that are all at the same distance r from a given point in three-dimensional space. [2]
a (1) : the apparent surface of the heavens of which half forms the dome of the visible sky. (2) : any of the concentric and eccentric revolving spherical transparent shells in which according to ancient astronomy stars, sun, planets, and moon are set. b. : a globe depicting such a sphere. broadly : globe sense a.
A sphere is a three-dimensional shape or object that is round in shape. The distance from the center of the sphere to any point on its surface is its radius. Learn more about the definition, formulas, and properties of the sphere in this article.
A sphere is a three-dimensional object that has no edges and no vertices. Visit BYJU'S to learn the sphere definition, surface area and volume formula, equation, properties and solved examples.
- What is a sphere?A sphere is three dimensional, geometrical shape, that has all its surface points equidistant from a common point. The distance between the surface...
- How many sides does a sphere have?A sphere does not have any sides, since it is a round-shaped object. It has a curved surface and not a flat surface.
- Is a sphere, circle?A circle is a two dimensional shape, that has area and perimeter only. A sphere is a three dimensional shape, that has surface area and volume.
- What is Hemisphere?A hemisphere is exactly half of a sphere. It has a curved surface and a flat surface.
- What are the characteristics of a sphere?A sphere is symmetrical, round in shape. It is a three dimensional solid, that has all its surface points at equal distances from the center. It ha...
- What are the examples of spheres?Football, Basketball, Globe, Planets, etc. are examples of sphere.
- What is surface area and volume of sphere?The surface area of a sphere is the total area covered by surface of a sphere in three-dimension space. The formula for surface area is: SA = 4πr...
Apr 23, 2024 · sphere, In geometry, the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the centre), or the result of rotating a circle about one of its diameters. The components and properties of a sphere are analogous to those of a circle.
- The Editors of Encyclopaedia Britannica
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SPHERE definition: 1. an object shaped like a round ball: 2. a subject or area of knowledge, work, etc.: 3. an…. Learn more.
5 days ago · A sphere is defined as the set of all points in three-dimensional Euclidean space R^3 that are located at a distance r (the "radius") from a given point (the "center"). Twice the radius is called the diameter, and pairs of points on the sphere on opposite sides of a diameter are called antipodes.
