The circumference of a circular field is $528 m$ . Then its area is

22176

m^{2}

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26400

m^{2}

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10080

m^{2}

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84000

m^{2}

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Solution

The correct option is A 22176 $m^{2}$
$G i v e n - t h e c i r c u m f e r e n c e = C o f a c i r c u l a r f i e l d = 528 m . T o f i n d o u t - t h e a r . c i r c l e = ? S o l u t i o n - L e t t h e r a d i u s o f t h e c i r c l e b e r . T h e n r = \frac{C}{2 π} w h e n C = c i r c u m f e r e n c e o f t h e c i r c l e . ⟹ r = \frac{528}{2 \times \frac{22}{7}} c m = 84 m . ∴ a r . c i r c l e = π r^{2} = \frac{22}{7} \times 84^{2} m^{2} = 22176 m^{2} . A n s - O p t i o n A .$

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