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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 ]
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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.
Learn about the sphere shape, a three-dimensional round 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.
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 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...
Aug 3, 2023 · A sphere is a three-dimensional symmetrical solid. Its shape is spherical which means completely round. It can be defined as the set of all the points equidistant from a fixed point, known as the center. The diagram below shows the shape of a sphere.
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.
Learn about the sphere shape, its properties, real life examples, and how to find its volume and surface area. See how to identify a sphere shape within a composite shape and practice with quizzes and examples.
