Question
The ratio of length to breadth of a rectangle is 7:8. If
the sum of the length and breadth of the rectangle is 45 cm, then find the area (cm2) of the rectangle.Solution
Let the length and breadth of the rectangle be 7x cm and 8x cm, respectively. According to the question, 7x + 8x = 45 Or, x = 45/15 = 3 Therefore, area of the rectangle = 7x × 8x = 56x2 = 504 cm2
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