RESULTS IN INCHESScreen width = Screen height = 4:3 picture diagonal = 4:3 picture width = sidebar widths = |

THE MATH (TRIG FUNCTIONS)res = resolution, 720 or 1080 a = angle betweeen diagonal and lower edge h = height of screen w = width of screen px = pixel size alt = diagonal for alternate resolution, same px
tan(a) = y/x = 9/16 = 0.5625
w = d(cos(a)) |