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The area of a circular field is 154 m2. Find the time taken by an athlate to complete 2 rounds if she is jogging at the rate of 5 km/hr.



Area of field=πr*r=154
circumference= 44
so two rounds =88
first convert 5*5/18=25/18
so speed = 25/18
time = 88/25/18
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