the area of a square field is 63504 m square . How much time will a man take to complete one round along its boundary, if he cxcle at a constant speed of 26.88 km!h?
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Area of square = 4×side²
63504 = side²4
side² = 63504/4
side = √15876
side = 126 m
Length of the boundary = 4 × Side
=> 4 × 126
Total length = 504m
Time taken = D/s
=> 126/7.467
=> 16.87 seconds
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