| Circular Sector |
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| CATEGORIES ABOUT CIRCULAR SECTOR | |
| circles | |
| SHOPPER'S DELIGHT | |
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Let θ be the central angle, in Radian s, and ''R'' the radius. The total area of a circle is π ''R''2. The area of the sector can be obtained by multiplying the circle's area by the ratio of the angle and 2π (because the area of the sector is proportional to the angle, and 2π is the angle for the whole circle) |