This may be done in more than one way. The calculation may use a subtraction of areas where a rectangle has been removed from a larger rectangle. Area is measured in square units. On a centimetre ...
Use stakes and a string line, or a rectangle built with 2x4s to represent ... Finish the overhang trim by installing the 1x3 roof molding over the 1x8 fascias (photo above). The next step is ...