Question

cow is tied with a rope of length 14 m at the corner of a rectangular field of dimensions 20 m x 16 m. Find the area of the field in sq. meters in which the cow can graze. / 3. 20​

Answer 1

Answer:

Area of the field in which the cow can graze

= πr²/4

= π(14)²/4

= 196π/4

= 49π

= 49 ×22/7  

= 154 m²

Area of rectangular field

= l × b

= 20 × 15

= 300 m²

Area of the field in which the cow cannot graze

= Area of rectangular field - Area of the field in which the cow can graze

= 300 m² - 154 m²

= 146 m².  

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