Question

The size of a TV screen is given by the length of its diagonal. The screen aspect ratio is the ratio of its width to its height. The screen aspect ratio of a standard TV screen is 4:3. What are the width and height of a 27" TV screen?

width: 21.6 in., height: 16.2 in.
width: 16.2 in., height: 21.6 in.
width: 21.6 in., height: 5.4 in.
width: 5.4 in., height: 21.6 in.

50 pts!

Answer 1

A.

Explanation:

I plugged in the answer options into the pythagorean theorum and answers A had the correct hypotenuse length.