a rectangular field is 72 m by 58 amar walks round it at the rate of 3 km per hour what time will he take in taking 2 rounds
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Answer:
perimeter = 2(l+b)
2x(72+58)
2x 130
260m
2.6km
speed = distance /time
3= 2.6/t
t= 2.6/3
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