Question

A computer monitor is 20 inches wide. The aspect ratio, which is the ratio of the width of the screen to the height of the screen, is

16:9
What is the length of the diagonal of the screen, to the nearest whole inch?
Enter your answer in the box.

Answer 1

45/4 inches closer 11

Explanation:

16/9 = 20/x

9/4= x/5

45/4 inches = x

11< x< 12