programming-examples/python/Math/Calculate the area of a regular polygon.py

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)