Mathematics
Grade9
Easy

Question

If the diameter of a circle is d, then its perimeter is

  1. 2pid    
  2. 4pid    
  3. pid    
  4. fraction numerator pi d over denominator 2 end fraction    

hintHint:

circumference of circle = 3.14 x d

The correct answer is: pid


    Perimeter/circumference of circle = pid

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