Question 11

Difference between the length and breadth of a field is 48 metres and its perimeter is of 160 metres. What would be the length of a side of a square whose area is equal to this field ?

Solution

l - b = 48

(l+b)*2 = 160

So, l = 64

b = 16

Area of the rectangle = area of the square = 64 x 16

Side of the square = sq root (64 x 16) = 8 x 4 = 32

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