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CBSE Class 11-science Answered

The length of a rectangle is 5 more than the 2 times of its breadth. If the perimeter of the rectangle is atleast 640 cm. Find the minimum value of its breadth.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer
Let the breadth of the rectangle be x cm.
    Length = (2x + 5) cm
   Perimeter = 2[(2x + 5) + x] cm
But, Perimeter is greater than equal to 640
   
   
   
   
    
   Minimum value of the breadth is 105 cm.
Answered by | 04 Jun, 2014, 03:23: PM

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