35. Write a Java program to compute the area of a polygon. Go to the editor
Area of a polygon = (n*s^2)/(4*tan(π/n))
where n is n-sided polygon and s is the length of a side
Input Data:
Input the number of sides on the polygon: 7
Input the length of one of the sides: 6
Expected Output

The area is: 130.82084798405722

public static void exercise35(){
    int number1 = integerInput(); //set to 7, length
    int sides = integerInput(); //set to 6, sides

    double area = (sides * (number1 * number1)) / (4.0 * Math.tan((Math.PI / sides)));

    System.out.println("The area of a polygon with " + sides + " sides of length " + number1 + " = " + area);
}

import java.util.Scanner;

public class Exercise35 {

  public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        System.out.print("Input the number of sides on the polygon: ");
        int ns = input.nextInt();
        System.out.print("Input the length of one of the sides: ");
        double side = input.nextDouble();
        System.out.print("The area is: " + polygonArea(ns, side)+"n");
    }
    public static double polygonArea(int ns, double side) {
        return (ns * (side * side)) / (4.0 * Math.tan((Math.PI / ns)));
    }
}