A man walking at the speed of 4 km/hr crosses a square field diagonally in 3 minutes. The area of the field (in meter square) is:'
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Speed of man,
= 4 kmph
= (4*5)/18 m/sec
In 3 min (3×60=180sec)
man will go = (20*180)/8 = 200 m.
That means the diagonal of the square field = 200 m.
Diagonal of square,
= Side of Square * √2 = 200 m.
→ Side of Square = (200/√2 )
Area of Square = Side2
Area = (200*200)/2 = 20000 sqm.
HOPE THIS HELPS YOU!!! ❤❤❤
Speed of man,
= 4 kmph
= (4*5)/18 m/sec
In 3 min (3×60=180sec)
man will go = (20*180)/8 = 200 m.
That means the diagonal of the square field = 200 m.
Diagonal of square,
= Side of Square * √2 = 200 m.
→ Side of Square = (200/√2 )
Area of Square = Side2
Area = (200*200)/2 = 20000 sqm.
HOPE THIS HELPS YOU!!! ❤❤❤
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