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Question

The area of a rectangle is 96 cm2. If the breadth of the rectangle is 8 cm then what is its perimeter?
  1. 40 cm
  2. 50 cm
  3. 60 cm
  4. 80 cm


Solution

The correct option is A 40 cm
We have, area of rectangle = 96 cm2 and breadth = 8 cm
We know,
Area of a rectangle = length x breadth
length x breadth = 96 cm2
 length = 968 = 12 cm
And we know, perimeter of a rectangle = 2 (length + breadth)
= 2 (12 + 8)
= 2 x 20
= 40 cm 

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