Question

Television screens are measured along the diagonal. A certain 53-inch television is 45 inches wide. How tall is the television?


8 in.
16 in.
28 in.
392 in.

Answer 1

Use the theorem of Pythagorus
\[53^{2}=45^{2}+h ^{2}\]
\[h ^{2}=53^{2}-45^{2}\]
Can you solve it now?

Answer 2

8in?

Answer 3

\[h=\sqrt{784}\]
Use your calculator now

Answer 4

28?

Answer 5

Yes. 28 in is the right choice. Good work :)

Answer 6

thanks

Answer 7

You're welcome :)