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Question

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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Solution

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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