how long will a girl take a walk around the boundary of a square field of area 9 hectares at the rate of 6 km/hr (1hectares =10,000sq.mrts
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Area of Field = 90000 m²
So, Side = 300 m
So, Perimeter of field = 300*4 = 1200 m = 1.2 km
So, Time taken = Distance/Speed
= 1.2/6
= 1/5 hours
= 12 minutes
So, Side = 300 m
So, Perimeter of field = 300*4 = 1200 m = 1.2 km
So, Time taken = Distance/Speed
= 1.2/6
= 1/5 hours
= 12 minutes
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