document.write( "Question 262389: the television screen is 20 inches across. If the diagonal measures 25 inches how high is the screen? \n" ); document.write( "
Algebra.Com's Answer #193319 by drk(1908)![]() ![]() ![]() You can put this solution on YOUR website! This is a Pythagorean theorem question. We have \n" ); document.write( "a^2 + b^2 = c^2 \n" ); document.write( "20^2 + b^2 = 25^2 \n" ); document.write( "400 + b^2 = 625 \n" ); document.write( "b^2 = 225 \n" ); document.write( "b = 15. \n" ); document.write( "The height is 15 inches \n" ); document.write( " |