Answers

2016-02-06T16:20:09+05:30
Area of the field=π r^{2} =154 m^{2}
 r^{2} =7/22*154=7*7
∴r=7m
circumference of the field=2πr=2*22/7*7=44m
since she has to jog 2 rounds=2*44=88m=she has to jog
she takes 1 hour for jogging 5000m
the time taken=88/5000*60=1.056min
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how can i edit the ans....
i think i made a mistake