The area of a circular field is 154 sq m find the time taken by an athlate to complete 2 rounds if she is jogging at the rate of 5 km/ hr
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area=πr^2=154
r=7
circumstances=2πr=44
distance=88
T=D/S;S=5*5/18 m/S
T=63.36 sec
r=7
circumstances=2πr=44
distance=88
T=D/S;S=5*5/18 m/S
T=63.36 sec
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