the perimeter of a rectangular field is 8 cm if the length of the field is decreased by 2 and its breadth increased by 2 the area is increased by 36 square metre find the length and breadth of the rectangular field
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Solution :
Length = l = 240 m and width = w = 110 m
∴ Area of the field = l x w
⇒ = 240 x 110
= 26,400 m 2
= 26,400 / 10,000 [ Since 10,000 m 2 = 1 hectares ]
Area of field = 2.64 hectare
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