Per Pythagoras, the diagonal of 1440x900 is 1698; the diagonal of 1280x800 is 1509.
1509 / 1698 = .89
.89 * 13.3 inches = 11.8 inches
Alternatively, sqrt(1-21%) = .89 And yeah typo. 21% reduction in pixels
Per Pythagoras, the diagonal of 1440x900 is 1698; the diagonal of 1280x800 is 1509.
1509 / 1698 = .89
.89 * 13.3 inches = 11.8 inches
Alternatively, sqrt(1-21%) = .89 And yeah typo. 21% reduction in pixels