document.write( "Question 1150626: Using a 4:3 ratio, determine the side lengths of a TV whose diagonal length is 55 inches. \n" ); document.write( "
Algebra.Com's Answer #772028 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "Diagonal divide the rectangle in two triangles, each of which is (3-4-5) right angled triangle.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Therefore, the dimensions of each triangle are 3x, 4x and 5x inches, where x is their common measure, now unknown.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "We will find x very easy by noticing that 5x = 55 inches; hence x = 11 inches.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Therefore, the dimensions of the TV are 3*11 = 33 inches and 4*11 = 44 inches. ANSWER\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solved (mentally).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |