java
7
// You are using Java
import java.io.;
import java.util.;
import java.lang.;
class area
{
public static void main(String args[])
{
int n,s;
double result;
Scanner sc = new Scanner (System.in);
n=sc.nextInt();
s=sc.nextInt();
result = (n(Math.pow(s,2)))/(4Math.tan(Math.PI/n));
System.out.println("The area is: "+result);
}
}
8
// You are using Java
import java.util.;
import java.io.;
import java.lang.;
class main
{
public static void main (String args)
{
int n,r1,r2;
Scanner sc = new Scanner(System.in);
n=sc.nextInt();
r1=(n-800)/130;
r2=r1+10;
System.out.println("Number of weekday hours is "+r2);
System.out.println("Number of weekend hours is "+r1);
}
}
9
// You are using Java
import java.util.Scanner;
class Main
{
public static void main(String args)
{
int n,m,result;
Scanner sc = new Scanner (System.in);
n=sc.nextInt();
m=sc.nextInt();
result=n+m;
System.out.println(result);
}
}
10
// You are using Java14
import java.util.;
import java.io.;
import java.lang.;
class main
{
public static void main (String args[])
{
int n;
Scanner sc = new Scanner (System.in);
n=sc.nextInt();
float r1,r2;
double r3;
r1=nn;
r2=nnn;
r3=Math.sqrt(n);
System.out.println("Square of "+n+" is: "+r1);
System.out.println("Cube of "+n+" is: "+r2);
System.out.println("Square Root of "+n+" is: "+r3);
}
}