A cow is tied with a rope of length 7m at a corner of a square field with each side 20m.Find the area of the field that the cow can graze.Also,find the area of the that the cow cannot graze
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102−494π≈61.5 m2 .
The square field’s area is 10² = 100 m²
The “grazeable area” is that of a quarter-circle of radius 7 m: A=πr24=494π
Subtract (2) from (1).
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