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प्रश्न
In a grassland, a sheep is tethered by a rope of length 4.9 m. Find the maximum area that the sheep can graze
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उत्तर
Length of the rope = 4.9 m
Area that the sheep can graze = Area of circle with radius 4.9 m
Area of the circle = πr2 sq.units
= `22/7 xx 4.9 xx 4.9`
= 22 × 0.7 × 4.9
= 75.46
∴ Area that the sheep can graze = 75.46 m2
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