document.write( "Question 323721: 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? The height of a 30in TV set is how many inches? \n" ); document.write( "

Algebra.Com's Answer #231655 by josmiceli(19441) $\"\"$ $\"About$

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a 30 in TV means the diagonal is 30 in
\n" ); document.write( "Call the height $\"h\"$
\n" ); document.write( "given is the base is $\"24\"$ in
\n" ); document.write( " $\"30%5E2+=+h%5E2+%2B+24%5E2\"$
\n" ); document.write( " $\"900+=+h%5E2+%2B+576\"$
\n" ); document.write( " $\"h%5E2+=+900+-+576\"$
\n" ); document.write( " $\"h%5E2+=+324\"$
\n" ); document.write( " $\"h+=+18\"$
\n" ); document.write( "The height is 18 in \n" ); document.write( "

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