Answer:
52 in approx
Step-by-step explanation:
Given data
Length of TV= 42 in
Widht of TV= 31 in
Required
The diagonal of the TV
Applying the Pythagoras theorem
D^2= L^2+W^2
D= āL^2+W^2
D= ā42^2+31^2
D=ā1764+961
D=ā2725
D=52.20 in
Hence the diagonal of the Tv is 52 in approx