MathematicsA photo of size  is to be framed by taking the margin of   along each side of the photo. Find the area of the margin and also find the cost of framing the photo at the rate of 

A photo of size  is to be framed by taking the margin of   along each side of the photo. Find the area of the margin and also find the cost of framing the photo at the rate of 


  1. A
  2. B
  3. C
  4. D
     

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    Solution:

      Here in this question we are given that a photo of size 14 cm by 10cm is to be framed by taking the margin of 1cm1cm along each side of the photo.
    So we are given the dimensions of the photo that is
    Length=14cm and breadth=10cm
    seoAs we know that the length of the photo which is AB=14cm and the breadth of the photo which is BC=10cm
    Now we put the margin along all the four sides of the photo of the length 1cm so the new dimensions of the figure becomes
    area of the photo  length × breadth
    area of the plate along with the frame = area of PQRS   So the area required= area of the photo with the frame - area of the photo
    the cost of framing the
      We have  the cost of framing is So, option 2 is correct.
     
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