Question

Which size would you see on the box for a new television whose screen measures 34.2 inches wide by 60.8 inches high ?

Answer 1

Answer:

$70\ in$

Step-by-step explanation:

 we know that'

The box displays the diagonal measurement of a tv.

so

Applying the Pythagoras Theorem

Let

d -----> the diagonal of TV

$d^{2}=W^2+L^2$

substitute the given values

$d^{2}=34.2^2+60.8^{2}$

$d^{2}=4,866.28$

$d=69.8\ in$

Round to the nearest whole number

$d=70\ in$