Question 6
The ratio the length and the breadth of a rectangle is 4 : 3. The area of the rectangle is 192 $$cm^{2}$$. What will be its perimeter ?
Solution
Given, l/b=3/4....(1)
l x b=192....(2)
On solving (1) and (2) we get, l=16 and b=12
Thus perimeter=2(l + b)=2(16 + 12)=56cm
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