
    Calculate the total length of wall space needed for installing patient monitoring sensors in a pentagon-shaped emergency department waiting area, given the length of one wall section in meters, to ensure complete coverage of the perimeter during peak hours. The waiting area is perfectly regular, with all sides being equal in length and all internal angles being equal.
    

    
import math

def perimeter_pentagon(a):
    """
    Calculate the total length of wall space needed for installing patient monitoring sensors in a pentagon-shaped emergency department waiting area, given the length of one wall section in meters, to ensure complete coverage of the perimeter during peak hours. The waiting area is perfectly regular, with all sides being equal in length and all internal angles being equal.
    

    """
import math

def perimeter_pentagon(a):
    """
    Calculate the total length of wall space needed for installing patient monitoring sensors in a pentagon-shaped emergency department waiting area, given the length of one wall section in meters, to ensure complete coverage of the perimeter during peak hours. The waiting area is perfectly regular, with all sides being equal in length and all internal angles being equal.
    

    """
    perimeter = 5 * a
    return perimeter