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VIZIO 28" Smart LED HDTV - D28H-D1 - $119

fanglnopi13 62 143 September 7, 2016 at 07:18 AM in Smart TVs (5) More Dell Home & Office Deals
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Last Edited by wuzzy September 7, 2016 at 07:46 AM
28" Smart TV.
Normally $149.
Seems like a good deal for a small TV.

http://deals.dell.com/productdetail/2sz
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6 Comments

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#2
Buy 3 and turn them 90 degrees to portrait mode - if your PC can drive 3 outputs, you've got an effective screen area measuring 56.8" diagonally for only $360 Smilie
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Last edited by vlpronj September 7, 2016 at 08:03 AM
#3
Quote from vlpronj View Post :
Buy 3 and turn them 90 degrees to portrait mode - if your PC can drive 3 outputs, you've got a screen area measuring 56.8" for only $360 http://i.slickdeals.net/images/smilies/smile.gif
That's not quite how adding screen sizes works... Wink

A hypothetical 3x4" screen has a 5" diagonal (Pythagorean theorem), and 12 square inches of surface area. You'd need a 2x2 grid of them, so 6x8", to add up to 10" of diagonal, and 48 square inches- twice the diagonal means doubling each side, or quadrupling the total screen surface. 56" of screen by combining these would need 2x2, or 4 in total. (Edit: don't know why, but I was thinking 19" instead of 28". 4, not 9 as a result.)
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Last edited by mavalpha September 7, 2016 at 08:33 AM
#4
poor resolution
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#5
Quote from mavalpha View Post :
That's not quite how adding screen sizes works... Wink

A hypothetical 3x4" screen has a 5" diagonal (Pythagorean theorem), and 12 square inches of surface area. You'd need a 2x2 grid of them, so 6x8", to add up to 10" of diagonal, and 48 square inches- twice the diagonal means doubling each side, or quadrupling the total screen surface. 57" of screen by combining these would need 3x3, or 9 in total.
A 28" diagonal at 16:9 is roughly 14" H x 24" W. If you rotate 3 in portrait mode, you've got 24"H x 42" W which is 16:8 with a 48" diagonal. I think resolutions on this would be all wacky though.
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#6
Quote from mavalpha View Post :
That's not quite how adding screen sizes works... Wink (SNIP) 57" of screen by combining these would need 3x3, or 9 in total.
I was really sort of joking about how diagonal measurement shouldn't be the only thing to go by; if the aspect isn't useful, it doesn't help. You could have a 60.8" diagonal, if you have a screen 10" high and 60" wide.

As far as my actual math, though:

I used this site, so anyone can reproduce my #s... http://www.cleavebooks.co.uk/scol/calrtri.htm

The Dell page said item width is 26.1 and 16.9 high.
So I put side A as 26.1, and side B as 50.7 (3*16.9).
Based on that, Side C is 60.8

Well, hopefully I didn't sway anyone towards buying 3 and expecting a standard aspect for a 50.7 diagonal measurement. Simple math should show that 26.1 and 50.7 don't match up to 3:4 or 16:9 aspect ratios.
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#7
Quote from vlpronj View Post :
I was really sort of joking about how diagonal measurement shouldn't be the only thing to go by; if the aspect isn't useful, it doesn't help. You could have a 60.8" diagonal, if you have a screen 10" high and 60" wide.

As far as my actual math, though:

I used this site, so anyone can reproduce my #s... http://www.cleavebooks.co.uk/scol/calrtri.htm

The Dell page said item width is 26.1 and 16.9 high.
So I put side A as 26.1, and side B as 50.7 (3*16.9).
Based on that, Side C is 60.8

Well, hopefully I didn't sway anyone towards buying 3 and expecting a standard aspect for a 50.7 diagonal measurement. Simple math should show that 26.1 and 50.7 don't match up to 3:4 or 16:9 aspect ratios.
True, and for some reason I had 19" in my head instead of 28" for the 3x3 number, so that 57=19x3 instead of 28x2=56. Whoops!
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