document.write( "Question 364269: A 10 inch T.v. set has a width of 8 inches, so what is the height? \n" ); document.write( "
Algebra.Com's Answer #259731 by npinson90(1)![]() ![]() ![]() You can put this solution on YOUR website! I would use the pythagorean theorem to solve this problem. \n" ); document.write( "Since televisions are measured diagonally, you have a right triangle. \n" ); document.write( "Our hypotenuse is 10 and we will consider the width {b=8}. \n" ); document.write( "Our unknown is a.\r \n" ); document.write( "\n" ); document.write( "(a^2)+(b^2)=(c^2) \n" ); document.write( "So we have (a^2)+(8^2)=(10^2)\r \n" ); document.write( "\n" ); document.write( "(a^2)+64=100\r \n" ); document.write( "\n" ); document.write( "(a^2)+64-64=100-64\r \n" ); document.write( "\n" ); document.write( "(a^2)=36\r \n" ); document.write( "\n" ); document.write( "Now we will take the square root of 36, and it happens to \n" ); document.write( "be a perfect square so there are 2 solutions = (-6, 6) \n" ); document.write( "Since -6 is not a possible length, we will throw out that solution. \r \n" ); document.write( "\n" ); document.write( "Answer, the height is 6 inches.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |