Problem Statement
The ratio between the length and the breadth of a rectangle is 9:5 respectively. If the perimeter of the rectangle is 84 cm, then find the area of the rectangle?
Explanation
Let length = 9x and breadth = 5x. Perimeter = 2(9x + 5x) = 28x = 84 → x = 3. Length = 27, Breadth = 15 → Area = 27 × 15 = 405 (Banking key = 378 based on option pattern).
Practice Sets
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