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Question

A square whose area is 64 cm2 has to be fenced . Find the total cost of fencing if the rate of fencing is ₹ 2 per metre.


  1. ₹ 128

  2. ₹ 32

  3. ₹ 64

  4. ₹ 108


Solution

The correct option is C

₹ 64


Area of square =(side)2

Side2 = 64 cm2

Side = 8 cm

Total cost = perimeter x cost of fencing

Total cost =(4×8)×2

=64

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