Program to Calculate the Perimeter of a Decagon
Last Updated :
11 Jul, 2022
Given side of a Decagon, the task is to find out the Perimeter of the Decagon.
Explanation : In geometry, a decagon is a ten-sided polygon or 10-gon. A regular decagon has all sides of equal length and each internal angle will always be equal to 144 degrees.
Examples:
Input : S = 5
Output : The Perimeter of Decagon is : 50
Input : S = 8
Output : The Perimeter of Decagon is : 80
The formula for finding the Perimeter of the Decagon is:
Perimeter = 10 * S
where "S" is the side of the Decagon
Below is the program to find perimeter of decagon:
C++
#include <iostream>
using namespace std;
void CalPeri()
{
int s = 5, Perimeter;
Perimeter = 10 * s;
cout << "The Perimeter of Decagon is : "
<< Perimeter;
}
int main()
{
CalPeri();
return 0;
}
|
C
#include <stdio.h>
void CalPeri()
{
int s = 5, Perimeter;
Perimeter = 10 * s;
printf ( "The Perimeter of Decagon is : %d" ,
Perimeter);
}
int main()
{
CalPeri();
return 0;
}
|
Java
import java.io.*;
class GFG {
static void CalPeri()
{
int S = 5 , Perimeter;
Perimeter = 10 * S;
System.out.println( "The Perimeter of Decagon is : " +
Perimeter);
}
public static void main (String[] args) {
CalPeri();
}
}
|
Python3
def CalPeri():
s = 5
Perimeter = 10 * s
print ( "The Perimeter of Decagon is : "
, Perimeter)
if __name__ = = '__main__' :
CalPeri();
|
C#
using System;
class GFG
{
static void CalPeri()
{
int S = 5, Perimeter;
Perimeter = 10 * S;
Console.WriteLine( "The Perimeter of " +
"Decagon is : " +
Perimeter);
}
public static void Main ()
{
CalPeri();
}
}
|
PHP
<?php
function CalPeri( $s )
{
$Perimeter = 10 * $s ;
echo "The Perimeter of Decagon is : $Perimeter" ;
}
$s = 5;
CalPeri( $s );
?>
|
Javascript
<script>
function CalPeri() {
var S = 5, Perimeter;
Perimeter = 10 * S;
document.write( "The Perimeter of Decagon is : " + Perimeter);
}
CalPeri();
</script>
|
Output: The Perimeter of Decagon is : 50
Time Complexity: O(1)
Auxiliary Space: O(1)
Share your thoughts in the comments
Please Login to comment...