How determine total sq. inches (mm) on LCD monitor?
Answer:
its not necessarily more physical eyeshade but digitaly....
the 20" can just display more pixels. pixels are dots beside no real size, giving of like how an electron have no real mass. so the 20" has smaller and more pixels so your display can fit more stuff at the cost of smaller icon, pics, text, etc
Typical method is to multiply stage by width surrounded by mm/cm/inches to find the square mm/cm/inches of "real estate". However i just posted a interrogate about resolution...which you may inevitability to consider? What is your goal here. are you looking for more space to own applications? Keep in mind LCD screen come in varations (See http://en.wikipedia.org/wiki/wsxga_wide_... as an example. Are near concerns about distortion surrounded by graphic arts (pictures)? Hope this help.
No, for this to work each screen LED to LED distance would have to enjoy the same measured vertically and equal measured horizontally. There is nothing to prevent a factory owner to make the pixels smaller to increase eyeshade resolution or larger to reduce costs. HDTV sets enjoy 1366x768 regardless of screen sizes. HDTV sets own an aspect ration of 4:3 but 1368/768 is not equal to 4/3.
For a widescreen monitor (4:3 aspect ratio= W/H)
DL= Diagonal length H= height of rectangle W= wideness of rectangle
W= 4/3 H
DL= Square root ((H*H)+(H*H*16/9)) = H*5/3
H= (3/5)*DL W= (4/5)*DL
Area = H*W= (3/5)*(4/5)*DL*DL = (12/25)*DL*DL
20” Area = 192 sq.in
22” Area = 232.3 sq.surrounded by.
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