/* File program : lingkaran.c /
#include <stdio.h>
main()
{
float radius, keliling,
luas;
printf("Masukkan jari-jari lingkaran
: ");
scanf("%f",&radius);
keliling = 2 * 3.14f * radius;
luas = 0.5f * 3.14f * radius * radius;
printf("\nData lingkaran\n");
printf("Jari-jari = %8.2f\n",
radius);
printf("Keliling = %8.2f\n", keliling);
printf("Luas = %8.2f\n", luas);
getch();
}
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