document.write( "Question 807057: A 15-inch television has a screen that is 9 inches high. How wide is the screen? \n" ); document.write( "
Algebra.Com's Answer #486174 by wilft1(217)![]() ![]() You can put this solution on YOUR website! this can be solved using pathagorias theorm\r \n" ); document.write( "\n" ); document.write( "a^2 + b^2 = c^2\r \n" ); document.write( "\n" ); document.write( "9^2 + b^2 = 15^2 \n" ); document.write( "81 + b^2 = 225 \n" ); document.write( "subtract 81 from both sides \n" ); document.write( "b^2 = 144\r \n" ); document.write( "\n" ); document.write( "square root of 144 is 12 \n" ); document.write( "so your screen is 12 inches wide and 9 inches high with a diagonal of 15 inches \n" ); document.write( " |