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Circumference & Area of Circle

Kiligulu Tools
3.6
15 Ratings
5K+
Downloads
1.0
version
Oct 07, 2015
release date
90.3 KB
file size
Free
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About Circumference & Area of Circle Android App

A circle is a simple shape of Euclidean geometry consisting of those points in a plane that are a given distance from a given point, the centre. The distance between any of the points and the centre is called the radius.

Circles are simple closed curves which divide the plane into two regions: an interior and an exterior. In everyday use, the term "circle" may be used interchangeably to refer to either the boundary of the figure, or to the whole figure including its interior; in strict technical usage, the circle is the former and the latter is called a disk.

A circle can be defined as the curve traced out by a point that moves so that its distance from a given point is constant.

A circle may also be defined as a special ellipse in which the two foci are coincident and the eccentricity is 0. Circles are conic sections attained when a right circular cone is intersected by a plane perpendicular to the axis of the cone.

The ratio of a circle's circumference to its diameter is π (pi), an irrational constant approximately equal to 3.141592654. Thus the length of the circumference C is related to the radius r and diameter d:
C = 2πr = πd

As proved by Archimedes, the area enclosed by a circle is equal to that of a triangle whose base has the length of the circle's circumference and whose height equals the circle's radius, which comes to π multiplied by the radius square.

Other Information:

Package Name:
Requires Android:
Android 2.2+ (Froyo, API 8)
Other Sources:
Category:

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This version of Circumference & Area of Circle Android App comes with one universal variant which will work on all the Android devices.

Variant
1
(Oct 07, 2015)
Architecture
Unlimited
Minimum OS
Android 2.2+ (Froyo, API 8)
Screen DPI
nodpi (all screens)

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