﻿ Python Math: Calculate the area of a regular polygon - w3resource

# Python Math: Calculate the area of a regular polygon

## Python Math: Exercise-28 with Solution

Write a Python program to calculate the area of a regular polygon.

Sample Solution:-

Python Code:

``````from math import tan, pi
n_sides = int(input("Input number of sides: "))
s_length = float(input("Input the length of a side: "))
p_area = n_sides * (s_length ** 2) / (4 * tan(pi / n_sides))
print("The area of the polygon is: ",p_area)
```
```

Sample Output:

```Input number of sides: 4
Input the length of a side: 20
The area of the polygon is:  400.00000000000006
```

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Python Code Editor:

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## Python: Tips of the Day

Get Current Process Id:

```import os
os.getpid()
```
`21423`

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