Mr.smog just bought a big-screen TV set.the screen. Is 48 in wide and 27 in high Find the length of its diagonal?
Use the Pythagorean theorem
a^2 + b^2 = c^2
48^2 + 27^2 = (diagonal)^2
2304 +729 = (diagonal)^2
diagonal = 55 inches
+37084 
