The length of an arc of a sector of angle - - of a circle with radius R is a 2 - R -180 b 2 - R -360 c - R2 -180 d - R2 -360

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Length of Arc of a Sector

The length of...

Question

The length of an arc of a sector of angle $θ^{\circ}$ of a circle with radius R is

(a) $\frac{2 π R θ}{180}$

(b) $\frac{2 π R θ}{360}$

(c) $\frac{π R^{2} θ}{180}$

(d) $\frac{π R^{2} θ}{360}$

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The area of a sector of angle $θ^{\circ}$ of a circle with radius $R$ is

(a) $\frac{2 π R θ}{180}$

(b) $\frac{π R^{2} θ}{180}$

(d) $\frac{π R^{2} θ}{360}$

θ

\frac{θ}{360} \times m π r

m

θ °

\frac{2 π R θ}{180}

\frac{2 π R θ}{360}

\frac{π R^{2} θ}{180}

\frac{π R^{2} θ}{360}

θ

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