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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.  float jr2, luas;
  5.  printf("Masukkan jari-jari lingkaran: ");
  6.  scanf("%f", &jr2);
  7.  luas = 3.14 * jr2 * jr2;
  8.  printf("Luas lingkaran adalah: %.2f\n", luas);
  9.  return 0;
  10. }
Success #stdin #stdout 0s 5292KB
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stdin
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10.0000000000
stdout
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Masukkan jari-jari lingkaran: Luas lingkaran adalah: 314.00
https://ideone.com/ntppzV
language:
C++ (gcc 8.3)
created:
15 days ago
visibility:
public

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