the area of a square field is 60025msq a man cycles along its boundaries at speed of 18 km/ h.in how much time will he return to the starting point
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the area of a square field is 60025msq a man cycles along its boundaries at speed of 18 km/ h.in how much time will he return to the starting point
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Step-by-step explanation:
area of square field = 60025
one side of square field = √60025 = 245 metre.
perimeter of field = 4 * 245 = 980 metre
speed = 18 km/h = 18 * 5/ 18 =
5 metre / second
time taken to return to the starting point =
980 / 5 second .
196 second
= 3 mins + 16 second