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NIELIT 2017 July Scientist B - Section A: 7

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Option D. 88

Area of a Rectangle = l × b [ Given that area = 680 sq feet, one side = 20 feet(say l) ]

b = $\frac{680}{20} = 34$ feet

The perimeter of a Rectangle = 2(l + b)

only three side is needed i.e. 2b + l = 88 feet

 

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