Answer:
The diagonal length of a TV screen is 100 units
Step-by-step explanation:
we know that
Find the diagonal length of a TV screen, applying the Pythagoras Theorem
[tex]d^{2}=80^{2}+60^{2}[/tex]
[tex]d^{2}=6,400+3,600[/tex]
[tex]d^{2}=10,000[/tex]
[tex]d=100\ units[/tex]
The picture in the attached figure