
    Calculate the total length of sensor cable needed to create a pentagonal monitoring boundary around an ICU patient's bed, given the standardized length of each side of the monitoring zone in centimeters. The sensor cable must form a complete pentagon to effectively monitor patient movement and vital signs within the defined safety boundary.
    

    
import math

def perimeter_pentagon(a):
    """
    Calculate the total length of sensor cable needed to create a pentagonal monitoring boundary around an ICU patient's bed, given the standardized length of each side of the monitoring zone in centimeters. The sensor cable must form a complete pentagon to effectively monitor patient movement and vital signs within the defined safety boundary.
    

    """
import math

def perimeter_pentagon(a):
    """
    Calculate the total length of sensor cable needed to create a pentagonal monitoring boundary around an ICU patient's bed, given the standardized length of each side of the monitoring zone in centimeters. The sensor cable must form a complete pentagon to effectively monitor patient movement and vital signs within the defined safety boundary.
    

    """
    perimeter = 5 * a
    return perimeter