How much area decreased?

When the circumference of a circle decreases from 3π to π, its area decreases by :

  1. 50/3%
  2. 200/3%
  3. 800/9%
  4. 25/2%
Anurag Mishra Professor Asked on 25th January 2016 in Maths.
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    Answer: (2) 200/3%

     

    Anurag Mishra Professor Answered on 25th January 2016.
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