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Area of a Sector of a Circle

The length of...

Question

The length of an arc of the sector of a circle of radius R making a central angle of x° is
(a) $\frac{2 π R x}{180}$
(b) $\frac{2 π R x}{360}$
(c) $\frac{π R^{2} x}{180}$
(d) $\frac{π R^{2} x}{360}$

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Solution

(b) $\frac{2 π R x}{360}$

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