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By: a guest on Sep 24th, 2012  |  syntax: None  |  size: 0.46 KB  |  hits: 27  |  expires: Never
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  1. #include <stdio.h>
  2. static float pii = 3.14;
  3. float laske_ala(float sade);
  4.  
  5. int main()
  6. {
  7.     float ympyran_ala, ympyran_sade;
  8.     printf("Anna ympyrän säde:n");
  9.     scanf("%f", &ympyran_sade);
  10.     ympyran_ala = laske_ala(ympyran_sade);
  11.     printf("Ympyrän pinta-ala on: %.2f", ympyran_ala);
  12.     return 0;
  13. }
  14.  
  15. float laske_ala(float sade)
  16. {
  17.       pii = pii +2;
  18.       float pinta_ala;
  19.       pinta_ala = pii * sade * sade;
  20.       return pinta_ala;
  21. }