Pls answer this questions☺️. NCERT class 7 maths, who answers first will be marked as branliest!
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ex.11.3
From the question it is given that,
Area of the circular flower garden = 314 m2
Sprinkler at the centre of the garden can cover an area that has a radius = 12 m
Area of the circular flower garden = πr2
314 = 3.14 × r2
314/3.14 = r2
r2 = 100
r = √100
r = 10 m
∴Radius of the circular flower garden is 10 m.
Since, the sprinkler can cover an area of radius 12 m
Hence, the sprinkler will water the whole garden.
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