considering th standard one first:
given that the width is 4/3 of the height
height, h = h
width, w =
also given that that size of the TV is 28 inches(71.12 cm), this is actually the hypotenuse of the TV
Area of the screen
= area of a rectangle with a diagonal of 28 inches
do the same thing for the widescreen TV and i get 335.003 inches^2. Hence concluding that the standard picture TV has a larger area.