3.5p
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#include <iostream>
using namespace std;
int main() {
int jari;
float luas,keliling;
printf ("Input jari-jari lingkaran:");
scanf("%i",&jari);
luas=3.14 * jari*jari;
keliling=2*3.14*jari;
printf("Luas dan Keliling Lingkaran");
printf ("\nJari-jari=%i",jari);
printf("\nLuas=%.3f",luas);
printf("\nKeliling = %.2f",keliling);
return 0;
}
Cpp
INFO