Question

The size of rectangular television screen is given as the length of the diagonal of the screen. Find the size of a television screen that has a height of 38.4 inches and width of 28.8inches

Answer 1

Answer:

The size of a television screen is $48\ in$

Step-by-step explanation:

Let

x-----> the length of the diagonal of the screen

we know that

Applying the Pythagoras Theorem

$x^{2}=H^{2}+W^{2}$

we have

$H=38.4\ in$

$W=28.8\ in$

substitute the values

$x^{2}=38.4^{2}+28.8^{2}$

$x^{2}=2,304$

$x=48\ in$