A cow is tied with rope of length 3.5m at corner of a rectangular field of dimensions 22m×15m .Find the area of the field in which cow can graze and in which she cannot graze.
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The cow cam graze in area of sector with ∅=90° and r = 3.5m
Area = ∅/360 π × r^2
= (1 × 22 × 3.5 × 3.5)/7×4
= 9.625 m
Area in which he cam not graze = Area of rectangle-area of sector
= 22×15-9.625
=320.675m
Area = ∅/360 π × r^2
= (1 × 22 × 3.5 × 3.5)/7×4
= 9.625 m
Area in which he cam not graze = Area of rectangle-area of sector
= 22×15-9.625
=320.675m
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