The area of a rectangular field is 3584 m² and its length is 64 m. A boy runs around the field at the rate of 6km/h. How long will he take to go 5 times around it?
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Area of rectangular field-3584m2
length of rectangular field-64 m
breath of rectangular field-area÷length
=3584÷ 64 = 56 breath
Perimeter of rectangular field=2(l+b)
=2(64+56)=2×120=240
Distance covered 5 times× Perimeter of field
5×240
=1200 m
Boy walk at the rate of 6km/pre hour
Rate= 6×1000÷60=100m/min
Time to cover distance=1200÷100=12 min
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length of rectangular field-64 m
breath of rectangular field-area÷length
=3584÷ 64 = 56 breath
Perimeter of rectangular field=2(l+b)
=2(64+56)=2×120=240
Distance covered 5 times× Perimeter of field
5×240
=1200 m
Boy walk at the rate of 6km/pre hour
Rate= 6×1000÷60=100m/min
Time to cover distance=1200÷100=12 min
hope it help u... if so, so pls follow me....
bye
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