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- A disk (or disc) is a region in a plane bounded by a circle123. A disk can be either open or closed, depending on whether it includes the circle or not134. The area of a disk is given by the formula pi times the radius squared. A unit disk is a disk with radius one, and it can be centered at any point in the plane24.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.
In geometry, a disk (also spelled disc) is the region in a plane bounded by a circle. A disk is said to be closed if it contains the circle that constitutes its boundary, and open if it does not.
en.wikipedia.org/wiki/Disk_(mathematics)A disk is the shadow of a ball on a plane perpendicular to the ball - radiant point line. The -disk for is called a ball, and the boundary of the -disk is a - hypersphere. The standard -disk, denoted (or), has its center at the origin and has radius.mathworld.wolfram.com/Disk.htmlThe area inside a circle. Correctly speaking, a circle has no area (it is just the edge), but a disk does. But in practice people think of a circle as the edge or the enclosed space, or both. A disk is "closed" when it includes the bounding circle, and open if it does not.www.mathsisfun.com/definitions/disk.htmlIn mathematics, the open unit disk(or disc) around P(where Pis a given point in the plane), is the set of points whose distance from Pis less than 1: D1(P)={Q:|P−Q|<1}.{displaystyle D_{1}(P)={Q:vert P-Qvert <1}.,} The closed unit diskaround Pis the set of points whose distance from Pis less than or equal to one:en.wikipedia.org/wiki/Unit_disk - People also ask
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In geometry, a disk (also spelled disc) is the region in a plane bounded by a circle. A disk is said to be closed if it contains the circle that constitutes its boundary, and open if it does not. For a radius, $${\displaystyle r}$$, an open disk is usually denoted as $${\displaystyle D_{r}}$$ and a closed disk is See more
In Cartesian coordinates, the open disk of center $${\displaystyle (a,b)}$$ and radius R is given by the formula:
See moreA uniform distribution on a unit circular disk is occasionally encountered in statistics. It most commonly occurs in operations research … See more
The disk has circular symmetry.
The open disk and the closed disk are not topologically equivalent (that is, they are not See more• Unit disk, a disk with radius one
• Annulus (mathematics), the region between two concentric circles
• Ball (mathematics), the usual term for the 3-dimensional … See moreWikipedia text under CC-BY-SA license Disk: Definitions and Examples - Club Z! Tutoring
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