Question

The screen on a computer monitor has a length of

15 inches and a width of 12 inches. What is the
length of the diagonal to the nearest tenth of an
inch?
A 21.3
B 19.2
C 18.1
D 20

Answer 1

Answer: 19.2

Explanation:

15^2+12^2=369

Then find the square root of 392 which is 19.2

Answer 2

I believe the answer is B 19.2
You use the pyth.
15^2+12^2=369
Then find the square root of 392 which is 19.2