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Circular sector

Calculates area, arc length, perimeter and center of mass of circular sector
Anton2011-05-06 20:21:55

Sector is the portion of a disk enclosed by two radii and an arc.

Circular sectorCreative Commons Attribution/Share-Alike License 3.0 (Unported)
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Circular sector

Sector area:
A= \frac {R^2\alpha}{2}
Arc length:
L = {\alpha}{R}
Perimeter:
P = ({\alpha+2}){R}
Center of Mass:
M = \frac{4R}{3\pi}

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