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Area of a sector of a circle - class-X
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Tick the correct answer in the following:
Area of a sector of angle $\theta$ (in degrees) of a circle with radius R is
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A
$\dfrac {\theta}{720}\times 2\pi R^{2}$
💡 Explanation:
Area of a sector with angle $p$ $=\dfrac{\theta}{360}\times\pi R^2$
$=\dfrac{\theta}{360\times2}\times\pi R^2\times2$
$=\dfrac{\theta}{720}\times2\pi R^2$
Hence, Option $D$ is correct