13. A rectangle of area 144 cm² has its length equal to x cm. Write down its breadth in terms
of x. Given that its perimeter is 52 cm, write down an equation in x and solve it to determine
the dimensions of the rectangle.
[Hint. x2 – 26x + 144 = 0 = x2 – 18x – 8x + 144 = 0 = (x - 18) (x - 8) = 0.]
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