- Layang-layang
import java.util.Scanner;
public class layanglayang{
public static void main (String [] args)
{
Scanner nilai = new Scanner (System.in);
double keliling, luas;
System.out.println("Menghitung Luas Layang-Layang");
{
int d1, d2;
System.out.println("Diagonal 1 = ");
d1 = nilai.nextInt();
System.out.println("Diagonal 2 = ");
d2 = nilai.nextInt();
luas = d1*d2/2;
System.out.println("Luas layang-layang = "+luas);
}
System.out.println("\nMenghitung Keliling Layang-Layang");
{
int sisiA, sisiB;
System.out.println("Sisi A = ");
sisiA = nilai.nextInt();
System.out.println("Sisi B = ");
sisiB = nilai.nextInt();
keliling = 2*sisiA + 2*sisiB;
System.out.println("Keliling layang-layang = "+keliling);
}
}
}
import java.util.Scanner;
public class bujursangkar{
public static void main (String [] args)
{
int sisi, luas, keliling;
Scanner O = new Scanner (System.in);
System.out.println("Program Menghitung Luas dan Keliling Bujur Sangkar");
System.out.println("\nMasukkan sisi bujur sangkar");
sisi=O.nextInt();
luas=(sisi*sisi);
System.out.println("\nLuas bujur sangkar = "+luas);
keliling=(4*sisi);
System.out.println("\nKeliling bujur sangkar = "+keliling);
}
}
- Persegi Panjang
import java.util.Scanner;
public class persegipanjang{
public static void main (String [] args)
{
Scanner nilai = new Scanner (System.in);
int panjang, lebar;
System.out.println("Masukkan panjang = ");
panjang = nilai.nextInt();
System.out.println("Masukkan lebar = ");
lebar = nilai.nextInt();
int Luas, Keliling;
Luas = panjang * lebar;
System.out.println("Luas Persegi Panjang = "+Luas);
Keliling = 2*panjang + 2*lebar;
System.out.println("Keliling Persegi Panjang = "+Keliling);
}
}
- Segitiga
import java.util.Scanner;
public class segitiga{
public static void main (String [] args)
{
Scanner nilai = new Scanner (System.in);
double luas, keliling;
System.out.println("Program Menghitung Keliling Segitiga");
{
int AB, BC, CA;
System.out.println("Sisi AB = ");
AB = nilai.nextInt();
System.out.println("Sisi BC = ");
BC = nilai.nextInt();
System.out.println("Sisi CA = ");
CA = nilai.nextInt();
keliling = AB+BC+CA;
System.out.println("Keliling Segitiga = "+keliling);
}
System.out.println("\nProgram Menghitung Luas Segitiga");
{
int alas, tinggi;
System.out.println("Masukkan alas segitiga = ");
alas = nilai.nextInt();
System.out.println("Masukkan tinggi segitiga = ");
tinggi = nilai.nextInt();
luas = alas*tinggi/2;
System.out.println("Luas Segitiga = "+luas);
}
}
}
- Lingkaran
import java.util.*;
public class lingkaran
{
public static void main (String [] args)
{
Scanner input = new Scanner(System.in);
double phi = 3.14;
double r, luas, keliling;
System.out.println("Program Luas Lingkaran\n");
System.out.println("Masukkan panjang jari-jari : ");
r = input.nextDouble();
luas = 0.5*phi*r*r;
keliling = 2*phi*r;
System.out.println("Luas Lingkaran = "+luas + "\nKeliling Lingkaran = "+keliling);
}
}
Untuk output sengaja tidak saya tampilkan, agar kita semua bisa mencoba sendiri di laptop/komputer masing-masing. Have a nice day!
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