How long will a man take to go walking at 4 km per hour, twice around a circular garden of 70 m radius?
please give correct answer step by step.
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Step-by-step explanation:
Time = distance/Speed
Converting 4 k.m into m
4× 1000= 4000m
70 × 2 = 140
Time = 140/ 4000
=28.5 hrs
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