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  • 18-04-2017
  • Mathematics
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How to find the diameter of a circle when given the area?

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ghanami
ghanami ghanami
  • 18-04-2017
hello :
the area  of a circle is : A = π × r²   r is ridus  , if d is the diameter 
you have : r = d/2    so :  A = π × (d/2)²
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