A square playground measure 1127.6164 meter2. If a man walks (49/20) m a minute, the time taken by him to walk one round around is approximately.
Let side of the square playground is x. And area =x2 =1127.6164 x = √1127.6164 =33.58cm Perimeter of playground =4x =4×33.58=134.32 Time taken to complete 1 round= 134.32/ (49/20) = (134.32×20)/49 =54.82min.
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