def area_polygon(s,l):
  from math import tan, pi
  
  area = s * (l ** 2) / (4 * tan(pi / s))
  return area
def area_polygon(VAR_0, l):
    from math import tan, pi
   
    area = VAR_0 * (l ** 2) / (4 * tan(pi / VAR_0))
    return area