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OpenStudy (anonymous):
Television sets. What does it mean to refer to a 20 in TV set? Such units refer to the diagonal of the screen. A 15 in TV set also has a width of 12 inches. What is its height? ___ inches
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OpenStudy (anonymous):
its a 12 by x by 15. plug into 12^2+x^2=15^2 and you get x=9
OpenStudy (anonymous):
\[12^{2}+x ^{2}=15^{2}\] x=9
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