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प्रश्न
A circular flower garden has an area of 314 m2. A sprinkler at the centre of the garden can cover an area that has a radius of 12 m. Will the sprinkler water the entire garden? (Take π = 3.14)
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उत्तर
Area = πr2 = 314 m2
3.14 × r2 = 314
r2 = 100
r = 10 m
Yes, the sprinkler will water the whole garden.
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