document.write( "Question 157168: What does it mean to refer to a 20 inch TV set or a 25 inch TV set? Such units refer to the diagonal of the screen. A 30 inch TV set also has a width of 24 inches. What is it's height? \n" ); document.write( "

Algebra.Com's Answer #115831 by josmiceli(19441) $\"\"$ $\"About$

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(height)^2 + (width)^2 = (diagonal)^2
\n" ); document.write( " $\"h%5E2+%2B+24%5E2+=+30%5E2\"$
\n" ); document.write( " $\"h%5E2+%2B+576+=+900\"$
\n" ); document.write( " $\"h%5E2+=+324\"$
\n" ); document.write( " $\"h+=+18\"$ in \n" ); document.write( "

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