document.write( "Question 471873: What does it mean to refer to a 20 inch t.v set or 25 inch t.v set. Such unit refer to the diagonal of the screen. A 20 inch set also has a width of 16 inches, what is the height? \n" ); document.write( "

Algebra.Com's Answer #323580 by nerdybill(7384) $\"\"$ $\"About$

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What does it mean to refer to a 20 inch t.v set or 25 inch t.v set. Such unit refer to the diagonal of the screen. A 20 inch set also has a width of 16 inches, what is the height?
\n" ); document.write( "apply Pythagorean theorem:
\n" ); document.write( "Let h = height
\n" ); document.write( "then
\n" ); document.write( "h^2 + 16^2 = 20^2
\n" ); document.write( "h^2 + 256 = 400
\n" ); document.write( "h^2 = 144
\n" ); document.write( "h = 12 inches \n" ); document.write( "

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