the area of the square field is 60025 m sq. . A man cycles along it's boundary at 18km/h. In how much time will he return to the starting point?
the area of the square field is 60025 m sq. . A man cycles along it's boundary at 18km/h. In how much time will he return to the starting point?
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Answer:
side of square field = √area
side = 245
so perimeter = 245*4 = 980
speed = 18km/h
speed = 18 * 5/18 ( for conversion from km/h to m/s)
speed = 5 m/s
so time taken by the cyclist = 980/5 = 196sec
so the time taken is 3 minutes 3 seconds