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A tv that has a square screen is advertised as having a 38 in diagonal screen. What would be thw width of the TV screen ? 

 

 

please rounf to the nearest tenth.

 Feb 7, 2019
 #1
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\(d=\sqrt{2s^2} = \sqrt{2}s\\ s = \dfrac{d}{\sqrt{2}}\\ s = \dfrac{38}{\sqrt{2}} \approx 26.9~in\)

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 Feb 7, 2019

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