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At the center of the rectangular field of Pioneer atheletic club there is a circular Pool of which length of radius is 14meter.The length and breadth of the rectangular field are 60meter and 42meter respectively. Let us see by calculating how much cost it will take for planting grass of remaining place of rectangular field except pool at the rate of Rs75 per square meter.
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Step-by-step explanation:
total area left = area of rectangular field - area of circular pool
area of circular pool = πr²
area of circular pool = 22 × (14)²/7
= 616 m²
area of rectangular field = length × breadth
= 60 × 42
= 2520 m²
area left = 2520 - 616
= 1904 m²
total cost = 1904 × 75
= Rs. 142800
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