ok so i know its HxLxD but what about when the box is angled. bottom and top are different.
like boxes behind a truck seat. example: http://www.supercrewsound(dot)com/99F250ccbtstrip.html (replace (dot) with .)
how can i calculate the cubic footage of a box like this when i make one.
like boxes behind a truck seat. example: http://www.supercrewsound(dot)com/99F250ccbtstrip.html (replace (dot) with .)
how can i calculate the cubic footage of a box like this when i make one.