document.write( "Question 358429: What does it mean to refer to a 20-in TV set or a 25-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???
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Algebra.Com's Answer #255824 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
12^2+H^2=15^2
\n" ); document.write( "144+H^2=225
\n" ); document.write( "H^2=225-144
\n" ); document.write( "H^2=81
\n" ); document.write( "H=SQRT81
\n" ); document.write( "H=9 INCHES.
\n" ); document.write( "PROOF:
\n" ); document.write( "12^2+9*2=15^2
\n" ); document.write( "144+81=225
\n" ); document.write( "225=225
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