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Sphere. 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]
Learn the various meanings and uses of the word sphere, from a globular body to a social rank or influence. See synonyms, examples, word history, and related phrases of sphere.
Learn about the sphere shape, its elements, formulas, properties, and examples. A sphere is a three-dimensional round-shaped object with no edges or vertices, and all points on its surface are equidistant from the center.
Learn what a sphere is, how to calculate its surface area and volume, and the difference between a sphere and a circle. See examples, solved problems, and practice questions on spheres.
- A sphere is three dimensional, geometrical shape, that has all its surface points equidistant from a common point. The distance between the surface...
- A sphere does not have any sides, since it is a round-shaped object. It has a curved surface and not a flat surface.
- 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.
- A hemisphere is exactly half of a sphere. It has a curved surface and a flat surface.
- 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...
- Football, Basketball, Globe, Planets, etc. are examples 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 · A sphere is a three-dimensional shape with all points the same distance from a centre. Learn about its surface area, volume, symmetry, and applications in mathematics and geography.
- The Editors of Encyclopaedia Britannica
Learn what a sphere is, how to calculate its radius, diameter, circumference, surface area, and volume, and see examples of spheres in real life. Splashlearn is a math learning platform for kids with games and activities.
Aug 3, 2023 · If a sphere is cut into 2 equal halves, each half is known as a hemisphere or half-sphere or semi-sphere. (hemi in Greek and semi in Latin). Parts and Properties. A sphere, within its shape, includes the center, radius, diameter, and the circumference. Given below is a diagram showing its parts.
