The length of a rectangle is twice of its beadth. If its
perimeter is 48cm, find the dimensions of the rectangle.
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Answer:
Let the length of the rectangle be l and breadth be b
therefore, l= 2b
It is given that perimeter of the rectangle is 48cm
we know that
Perimeter of the rectangle = 2(l+b)
According to the Question
2(l+b) = perimeter
Or 2(2b+b)=48
Or 2(3b) = 48
Or 6b= 48
Or b= 48÷6
Or b= 8
Therefore length= 2×b= 2×6 = 12cm
Therefore length of the rectangle= 12cm breadth= 6cm
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