Question

a rectangular field is 72 m by 58 metre Amar walks around at the rate of 3 km per hour what time will he take in taking
2 rounds

Answer 1

perimeter of rectangle = 2(l+b)
=2(72+58)
=2(130)
=260 m
=0.26km
Time taken by Amar=0.26/3×2
=0.52/3
=0.172 hrs (approx)