length and breadth of a rectangular field are 58 m60cm and 41 m 40 CM respectively how long will a man take to move four times round the field if we walk at the rate of 2.5 metre per second
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Answer: 320 seconds
Step-by-step explanation:
L = 58.6m
B = 41.4m
Perimetre = 2(L+B)
= 2(58.6 + 41.4)
= 2(100)
= 200 m
4 times the perimetre
4 x 200
= 800
rate of walking = 2.5 m/s
time = perimetre/rate of walking
time = 800/2.5 s
time = 320 seconds
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