The size of a rectangular television screen
is given as the length of its diagonal.
The screen for a widescreen television
has a length of 53 inches and a width
of 30 inches. To the nearest tenth of an
inch, what is the best estimate of the
diagonal of that screen?
A: 83.0 inches
B: 60.9 inches
C: 43.7 inches
D: 37.1 inches