rahajengdwp

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Mar 20th, 2017
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  1. import java.util.Scanner;
  2.  
  3. public class lingkaran
  4. {
  5. public static void main(String [] args){
  6. double phi=3.14, r, luas, keliling;
  7. Scanner I=new Scanner (System.in);
  8. System.out.print("masukkan jari-jari lingkarannya= ");
  9. r=I.nextInt();
  10.  
  11. luas=phi*r*r;
  12. System.out.println("luas lingkaran adalah= "+luas);
  13.  
  14. keliling=2*phi*r;
  15. System.out.println("keliling lingkaran adalah= "+keliling);
  16. }
  17. }
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