document.write( "Question 316516: I am not sure if I am even posting this word problem under the right category because I have no idea where to start. Here is the problem.\r
\n" ); document.write( "\n" ); document.write( "Television Sets. 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 30-in Tv set also has a width of 24 inches. What is its height.\r
\n" ); document.write( "\n" ); document.write( "I appreciate the help.
\n" ); document.write( "Thank you
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Algebra.Com's Answer #226617 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
YOU HAVE A RIGHT TRIANGLE .
\n" ); document.write( "A^2+B^2=C^2
\n" ); document.write( "24^2+B^2=30^2
\n" ); document.write( "576+B^2=900
\n" ); document.write( "B^2=900-576
\n" ); document.write( "B^2=324
\n" ); document.write( "B=SQRT324
\n" ); document.write( "B=18 ANS. FOR THE HEIGHT.
\n" ); document.write( "PROOF:
\n" ); document.write( "24^2+18^2=900
\n" ); document.write( "576+324=900
\n" ); document.write( "900=900
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