The radius of circular field of village Amadpur is 280 meter. Chaitali wants to go round the
field by walking with speed 5.5 km/hour, let us calculate how long will be taken by Chaitali
to complete one revolution.
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Step-by-step explanation:
r=280m= 0.28 km
circumference =2×Pi×0.28 =1.76 km
time=distance/speed
=1.76/5.5
=0.32 hr
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