Question
Ratio of length to width of a rectangular field is 7:4.
If the perimeter of the field is 220 metres, then find the area (in m2) of the field.Solution
Let length and width of the rectangular field be ‘7x’ metres and ‘4x’ metres, respectively. So, 2(7x + 4x) = 220 Or, x = 10 Area of the field = 7x × 4x = 28 × (10)2 = 2800 m2
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