document.write( "Question 318879: Television sets: What does it mean to refer to a 20 inch TV set or a 25 inch TV set? Such units refer to diagonal of the screen. A 15 inches TV set also has a width of 12 inches. What is the height of a 15 inch TV in inches? \n" ); document.write( "
Algebra.Com's Answer #228276 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! A^2+B^2=C^2 \n" ); document.write( "12^2+B^2=15^2 \n" ); document.write( "144=B^2=225 \n" ); document.write( "B^2=225-144 \n" ); document.write( "B^2=81 \n" ); document.write( "B-SQRT81 \n" ); document.write( "B=9 INCHES FOR THE HEIGHT. \n" ); document.write( "PROOF: \n" ); document.write( "12^2+9^2-1562 \n" ); document.write( "144+81+225 \n" ); document.write( "225=225 \n" ); document.write( " \n" ); document.write( " |