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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. float alas, tinggi, luas;
  5.  
  6. printf("40: ");
  7. scanf("%f", &alas);
  8.  
  9. printf("50: ");
  10. scanf("%f", &tinggi);
  11.  
  12. luas = 0.5 * alas * tinggi;
  13.  
  14. printf("60: %.2f\n", luas);
  15.  
  16. return 0;
  17. }
Success #stdin #stdout 0s 5272KB
stdin
40 50 60
stdout
40: 50: 60: 1000.00