Find the Area of Pentagon
The area of a regular pentagon (a polygon with five sides of equal length) can be calculated using the following formula:
A = (1/4) * sqrt(5 * (5 + 2sqrt(5))) * s^2
Where A is the area of the pentagon and s is the length of one of its sides.
Here given code implementation process.
//C Program
//Find the Area of Pentagon
#include <stdio.h>
#include <math.h>
//Calculate area of pentagon by given side
void pentagon_area(double side)
{
//Calculate Formula
//¼√5(5+2√5)side²
double area = ((double) 1 / 4) * (sqrt(5 * (5 + 2 * (sqrt(5)))) * (side * side));
//Display the result of pentagon area
printf(" Pentagon [ Side : %lf ] ", side);
printf("\n Area : %lf\n\n", area);
}
int main()
{
//Test Cases
pentagon_area(6);
pentagon_area(4);
pentagon_area(3.5);
return 0;
}
Output
Pentagon [ Side : 6.000000 ]
Area : 61.937186
Pentagon [ Side : 4.000000 ]
Area : 27.527638
Pentagon [ Side : 3.500000 ]
Area : 21.075848
// Java Program
// Find the area of Pentagon
class PentagonArea
{
//Calculate area of pentagon by given side
public void pentagon_area(double side)
{
//Calculate Formula
//¼√5(5+2√5)side²
double area = ((double) 1 / 4) * (Math.sqrt(5 * (5 + 2 * (Math.sqrt(5)))) * (side * side));
//Display the result of pentagon area
System.out.print(" Pentagon [ Side : " + side + " ] ");
System.out.print("\n Area : " + area + "\n\n");
}
public static void main(String[] args)
{
PentagonArea obj = new PentagonArea();
//Test Cases
obj.pentagon_area(6);
obj.pentagon_area(4);
obj.pentagon_area(3.5);
}
}
Output
Pentagon [ Side : 6.0 ]
Area : 61.93718642120281
Pentagon [ Side : 4.0 ]
Area : 27.52763840942347
Pentagon [ Side : 3.5 ]
Area : 21.075848157214846
// C++ Program
// Find the area of Pentagon
#include<iostream>
#include <math.h>
using namespace std;
class PentagonArea
{
public:
//Calculate area of pentagon by given side
void pentagon_area(double side)
{
//Calculate Formula
//¼√5(5+2√5)side²
double area = ((double) 1 / 4) *(sqrt(5 *(5 + 2 *(sqrt(5)))) *(side *side));
cout << " Pentagon [ Side : " << side << " ] ";
cout << "\n Area : " << area << "\n\n";
}
};
int main()
{
PentagonArea obj = PentagonArea();
//Test Cases
obj.pentagon_area(6);
obj.pentagon_area(4);
obj.pentagon_area(3.5);
return 0;
}
Output
Pentagon [ Side : 6 ]
Area : 61.9372
Pentagon [ Side : 4 ]
Area : 27.5276
Pentagon [ Side : 3.5 ]
Area : 21.0758
// C# Program
// Find the area of Pentagon
using System;
class PentagonArea
{
//Calculate area of pentagon by given side
public void pentagon_area(double side)
{
//Calculate Formula
//¼√5(5+2√5)side²
double area = ((double) 1 / 4) * (Math.Sqrt(5 * (5 + 2 * (Math.Sqrt(5)))) * (side * side));
Console.Write(" Pentagon [ Side : " + side + " ] ");
Console.Write("\n Area : " + area + "\n\n");
}
public static void Main(String[] args)
{
PentagonArea obj = new PentagonArea();
//Test Cases
obj.pentagon_area(6);
obj.pentagon_area(4);
obj.pentagon_area(3.5);
}
}
Output
Pentagon [ Side : 6 ]
Area : 61.9371864212028
Pentagon [ Side : 4 ]
Area : 27.5276384094235
Pentagon [ Side : 3.5 ]
Area : 21.0758481572148
<?php
// Php Program
// Find the area of Pentagon
class PentagonArea
{
//Calculate area of pentagon by given side
public function pentagon_area($side)
{
//Calculate Formula
//¼√5(5+2√5)side²
$area = (1 / 4) *(sqrt(5 *(5 + 2 *(sqrt(5)))) *($side *$side));
//Display the result of pentagon area
echo(" Pentagon [ Side : ". $side ." ] ");
echo("\n Area : ". $area ."\n\n");
}
}
function main()
{
$obj = new PentagonArea();
//Test Cases
$obj->pentagon_area(6);
$obj->pentagon_area(4);
$obj->pentagon_area(3.5);
}
main();
Output
Pentagon [ Side : 6 ]
Area : 61.937186421203
Pentagon [ Side : 4 ]
Area : 27.527638409423
Pentagon [ Side : 3.5 ]
Area : 21.075848157215
// Node Js Program
// Find the area of Pentagon
class PentagonArea
{
//Calculate area of pentagon by given side
pentagon_area(side)
{
//Calculate Formula
//¼√5(5+2√5)side²
var area = (1 / 4) *(Math.sqrt(5 *(5 + 2 *(Math.sqrt(5)))) *(side *side));
//Display the result of pentagon area
process.stdout.write(" Pentagon [ Side : " + side + " ] ");
process.stdout.write("\n Area : " + area + "\n\n");
}
}
function main(args)
{
var obj = new PentagonArea();
//Test Cases
obj.pentagon_area(6);
obj.pentagon_area(4);
obj.pentagon_area(3.5);
}
main();
Output
Pentagon [ Side : 6 ]
Area : 61.93718642120281
Pentagon [ Side : 4 ]
Area : 27.52763840942347
Pentagon [ Side : 3.5 ]
Area : 21.075848157214846
# Python 3 Program
# Find the area of Pentagon
import math
class PentagonArea :
# Calculate area of pentagon by given side
def pentagon_area(self, side) :
# Calculate Formula
# ¼√5(5+2√5)side²
area = (1 / 4) * (math.sqrt(5 * (5 + 2 * (math.sqrt(5)))) * (side * side))
# Display the result of pentagon area
print(" Pentagon [ Side : ", side ," ] ", end = "")
print("\n Area : ", area ,"\n\n", end = "")
def main() :
obj = PentagonArea()
# Test Cases
obj.pentagon_area(6)
obj.pentagon_area(4)
obj.pentagon_area(3.5)
if __name__ == "__main__": main()
Output
Pentagon [ Side : 6 ]
Area : 61.93718642120281
Pentagon [ Side : 4 ]
Area : 27.52763840942347
Pentagon [ Side : 3.5 ]
Area : 21.075848157214846
# Ruby Program
# Find the area of Pentagon
class PentagonArea
# Calculate area of pentagon by given side
def pentagon_area(side)
# Calculate Formula
# ¼√5(5+2√5)side²
# 1/4 = 0.25
area = (0.25) * (Math.sqrt(5 * (5 + 2 * (Math.sqrt(5)))) * (side * side))
# Display the result of pentagon area
print(" Pentagon [ Side : ", side ," ] ")
print("\n Area : ", area ,"\n\n")
end
end
def main()
obj = PentagonArea.new()
# Test Cases
obj.pentagon_area(6)
obj.pentagon_area(4)
obj.pentagon_area(3.5)
end
main()
Output
Pentagon [ Side : 6 ]
Area : 61.93718642120281
Pentagon [ Side : 4 ]
Area : 27.52763840942347
Pentagon [ Side : 3.5 ]
Area : 21.075848157214846
// Scala Program
// Find the area of Pentagon
class PentagonArea
{
//Calculate area of pentagon by given side
def pentagon_area(side: Double): Unit = {
//Calculate Formula
//¼√5(5+2√5)side²
//1/4 = 0.25
var area: Double = (0.25) * (Math.sqrt(5 * (5 + 2 * (Math.sqrt(5)))) * (side * side));
//Display the result of pentagon area
print(" Pentagon [ Side : " + side + " ] ");
print("\n Area : " + area + "\n\n");
}
}
object Main
{
def main(args: Array[String]): Unit = {
var obj: PentagonArea = new PentagonArea();
//Test Cases
obj.pentagon_area(6);
obj.pentagon_area(4);
obj.pentagon_area(3.5);
}
}
Output
Pentagon [ Side : 6.0 ]
Area : 61.93718642120281
Pentagon [ Side : 4.0 ]
Area : 27.52763840942347
Pentagon [ Side : 3.5 ]
Area : 21.075848157214846
// Swift Program
// Find the area of Pentagon
import Foundation
class PentagonArea
{
//Calculate area of pentagon by given side
func pentagon_area(_ side: Double)
{
//Calculate Formula
//¼√5(5+2√5)side²
//1/4 = 0.25
let area: Double = (0.25) * (sqrt(5 * (5 + 2 * (sqrt(5)))) * (side * side));
//Display the result of pentagon area
print(" Pentagon [ Side : ", side ," ] ");
print(" Area : ", area ,"\n");
}
}
func main()
{
let obj: PentagonArea = PentagonArea();
//Test Cases
obj.pentagon_area(6);
obj.pentagon_area(4);
obj.pentagon_area(3.5);
}
main();
Output
Pentagon [ Side : 6.0 ]
Area : 61.9371864212028
Pentagon [ Side : 4.0 ]
Area : 27.5276384094235
Pentagon [ Side : 3.5 ]
Area : 21.0758481572148
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