if a computer moniter has a length of 24 inches and a hight of 18 inches, what is the legnth of its diagonal to the nerest inch?

Note....the 3-4-5 triangle is a pretty famous "Pythagorean Triple" right triangle.

And all multiples of this ratio will also be Pythagorean right tiangles  ..... so ...

18-24-30 will also be a Pytagorean Triple.....!!!

30 inches