# Program to find the Interior and Exterior Angle of a Regular Polygon

• Last Updated : 09 Jun, 2022

Given the number of sides n of a regular polygon. The task is to find out the Interior angle and Exterior angle of the polygon.
Examples

Input : n = 6
Output : Interior angle: 120
Exterior angle: 60

Input : n = 10
Output: Interior angle: 144
Exterior angle: 36

Interior angle: The angle between two adjacent sides inside the polygon is known as the Interior angle.
Formula to find the Interior angle:
Interior Angle =
Exterior angle: The angle formed by any side of a polygon and the extension of its adjacent side is known as Exterior angle.
Exterior angle =

Program to find interior and exterior angles of a Regular Polygon:

## C++

 // CPP program to find the interior and// exterior angle of a given polygon#include using namespace std; // function to find the interior and// exterior anglevoid findAngle(int n){    int interiorAngle, exteriorAngle;     // formula to find the interior angle    interiorAngle = (n - 2) * 180 / n;         // formula to find the exterior angle    exteriorAngle = 360 / n;     // Displaying the output    cout << "Interior angle: " << interiorAngle << endl;     cout << "Exterior angle: " << exteriorAngle;} // Driver codeint main(){    int n = 10;         // Function calling    findAngle(n);    return 0;}

## Java

 // Java program to find the interior and// exterior angle of a given polygonimport java.io.*; class GFG {         // function to find the interior and    // exterior angle    static void findAngle(int n)    {        int interiorAngle, exteriorAngle;             // formula to find the interior angle        interiorAngle = (n - 2) * 180 / n;                 // formula to find the exterior angle        exteriorAngle = 360 / n;             // Displaying the output        System.out.println("Interior angle: " + interiorAngle);             System.out.println("Exterior angle: " + exteriorAngle);    }         // Driver code    public static void main (String[] args)    {        int n = 10;             // Function calling        findAngle(n);    }}

## Python3

 # Python3 program to find# the interior and exterior# angle of a given polygon # function to find# the interior and# exterior angledef findAngle(n):     # formula to find the    # interior angle    interiorAngle = int((n - 2) * 180 / n)         # formula to find    # the exterior angle    exteriorAngle = int(360 / n)     # Displaying the output    print("Interior angle: " ,            interiorAngle )     print("Exterior angle: " ,           exteriorAngle ) # Driver coden = 10     # Function callingfindAngle(n) # This code is contributed# by Smitha

## C#

 // C# program to find the// interior and exterior// angle of a given polygonusing System; class GFG{         // function to find    // the interior and    // exterior angle    static void findAngle(int n)    {        int interiorAngle,            exteriorAngle;             // formula to find        // the interior angle        interiorAngle = (n - 2) * 180 / n;                 // formula to find        // the exterior angle        exteriorAngle = 360 / n;             // Displaying the output        Console.Write("Interior angle: " +                    interiorAngle + "\n");             Console.Write("Exterior angle: " +                           exteriorAngle);    }         // Driver code    public static void Main ()    {        int n = 10;             // Function calling        findAngle(n);    }} // This code is contributed// by Smitha

## PHP

 

## Javascript

 

Output

Interior angle: 144
Exterior angle: 36

Time Complexity: O(1)
Auxiliary Space: O(1)

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