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Question

Find the area of the sector (in $$cm^2$$) whose are length and radius are $$10\ cm$$ and $$5\ cm$$ respectively


Solution

Here, Radius, $$r = 5\ cm$$
Length of arc, $$l = 10\ cm$$
Area of the sector, $$A = \dfrac {r}{2}\times$$ Length of arc
$$= \dfrac {5}{2} \times 10 = 25$$
$$\therefore$$ Area of sector is $$25\ cm^{2}$$.

Mathematics

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