Question

A square playground measures 1127.6164 sq.m. If a man walks 2 9/20 m a minute, the time taken by him to walk one round around it is approximately.

A) 50.82 min B) 54.82 min C) 54.62 min D) 50.62 min

Answer 1

Let side of the square playground is x.

Let side of the square playground is x.and Area=x2=1127.6164

Let side of the square playground is x.and Area=x2=1127.6164x=1127.6164−−−−−−−−√

Let side of the square playground is x.and Area=x2=1127.6164x=1127.6164−−−−−−−−√x=33.58

Let side of the square playground is x.and Area=x2=1127.6164x=1127.6164−−−−−−−−√x=33.58Perimeter of playground = 4x

Let side of the square playground is x.and Area=x2=1127.6164x=1127.6164−−−−−−−−√x=33.58Perimeter of playground = 4x= 4×33.58 = 134.32

Let side of the square playground is x.and Area=x2=1127.6164x=1127.6164−−−−−−−−√x=33.58Perimeter of playground = 4x= 4×33.58 = 134.32time taken to complete 1 round

Let side of the square playground is x.and Area=x2=1127.6164x=1127.6164−−−−−−−−√x=33.58Perimeter of playground = 4x= 4×33.58 = 134.32time taken to complete 1 round=134.322920

Let side of the square playground is x.and Area=x2=1127.6164x=1127.6164−−−−−−−−√x=33.58Perimeter of playground = 4x= 4×33.58 = 134.32time taken to complete 1 round=134.322920=134.3249×20=54.82 min

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