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HOSTING A TOTAL OF 318 FORMULAS WITH CALCULATORS

Sector Of Circular Ring

A circular sector or circle sector, is the portion of a disk enclosed by two radii and an arc, where the smaller area is known as the minor sector and the larger being the major sector.

A sector with the central angle of 180° is called a semicircle. Sectors with other central angles are sometimes given special names, these include quadrants (90°), sextants (60°) and octants (45°).

apw

Here,p=average radius,w=w  width of ring, a=angle of sector in radians.

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