function area = triangle01_area ( )

%*****************************************************************************80
%
%% TRIANGLE01_AREA computes the area of the unit triangle in 2D.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license. 
%
%  Modified:
%
%    13 January 2014
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Output, real AREA, the area.
%
  area = 0.5;

  return
end
