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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 sphere is a perfectly symmetrical shape with no edges or vertices. Learn how to calculate its volume and surface area, and see examples of spheres in nature and math.
See all examples of sphere. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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...
Learn about the sphere, a three-dimensional shape with no edges or vertices, and its important elements such as radius, diameter, circumference, surface area, and volume. Find formulas and examples to calculate these properties and practice problems to test your skills.
Learn about the sphere, a three-dimensional round-shaped object with no edges or vertices. Find out the formulas for radius, diameter, circumference, surface area, and volume of a sphere, and see examples and properties of spheres.
A sphere is a three-dimensional shape with all points the same distance from a centre. Learn about its components, formula, and applications in geometry, astronomy, and physics.
