The perimeter of a rectangle is and its area is .

MATHEMATICS · Multi-part · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

The perimeter of a rectangle is 70 m70\,\text{m} and its area is 300 m2300\,\text{m}^{2}. (i) Taking the breadth of the rectangle to be x mx\,\text{m}, set up an equation in xx based on the given conditions. (ii) Solve the equation to determine the length and breadth of the rectangle. (iii) State which of the obtained values of xx is to be rejected and explain why.

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