package com.thealgorithms.maths;

public class Perimeter {

public static void main(String[] args) {

System.out.println(perimeter_polygon(5, 4));

System.out.println(perimeter_rectangle(3, 4));

System.out.printf("%,3f", circumference(5));

}

// Perimeter of different 2D geometrical shapes

/**

*Calculate the Perimeter of polygon.

* @parameter length of side.

* @parameter number of sides.

* @return Perimeter of given polygon

*/

public static float perimeter_polygon(int n, float side) {

float perimeter = n * side;

return perimeter;

}

/**

*Calculate the Perimeter of rectangle.

* @parameter length and breadth.

* @return Perimeter of given rectangle

*/

public static float perimeter_rectangle(float length, float breadth) {

float perimeter = 2 * (length + breadth);

return perimeter;

}

/**

*Calculate the circumference of circle.

* @parameter radius of circle.

* @return circumference of given circle.

*/

public static double circumference(float r) {

double circumference = 2 * Math.PI * r;

return circumference;

}

}