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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