SOLUTION: What does it mean to refer to a 20 inch t.v set or 25 inch t.v set. Such unit refer to the diagonal of the screen. A 20 inch set also has a width of 16 inches, what is the height?

Question 471873: What does it mean to refer to a 20 inch t.v set or 25 inch t.v set. Such unit refer to the diagonal of the screen. A 20 inch set also has a width of 16 inches, what is the height?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
What does it mean to refer to a 20 inch t.v set or 25 inch t.v set. Such unit refer to the diagonal of the screen. A 20 inch set also has a width of 16 inches, what is the height?
apply Pythagorean theorem:
Let h = height
then
h^2 + 16^2 = 20^2
h^2 + 256 = 400
h^2 = 144
h = 12 inches