@property<EOL><INDENT>def length(self):<DEDENT>
return math.sqrt(<EOL>(self.endpoint_a.northing - self.endpoint_b.northing) ** <NUM_LIT:2> +<EOL>(self.endpoint_a.easting - self.endpoint_b.easting) ** <NUM_LIT:2><EOL>)<EOL>
Return length(meter) of the line

:return: length(meter) of the line
:rtype: float