SOLUTION: Television sets. What does it mean to refer to a 20 in tv set or a 25 in tv set? Such units refer to the diagonal of the screen. A 20 in tv set also has a width of 16 inches. What

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Television sets. What does it mean to refer to a 20 in tv set or a 25 in tv set? Such units refer to the diagonal of the screen. A 20 in tv set also has a width of 16 inches. What       Log On


   

Question 629224: Television sets. What does it mean to refer to a 20 in tv set or a 25 in tv set? Such units refer to the diagonal of the screen. A 20 in tv set also has a width of 16 inches. What is its height? What is the height of a 20 in tv?
Found 2 solutions by ewatrrr, Alan3354:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

A 20 in(diagonal is 20in) tv set also has a width of 16 inches. What is its height? 

applying the Pythagorean Theorem:  sqrt%2820%5E2+-+16%5E2%29+=+sqrt%28144%29+=+12in

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What does it mean to refer to a 20 in tv set or a 25 in tv set?
It's the length of the diagonal.
--------------------------
Such units refer to the diagonal of the screen.
Why did you ask?
--------------------
A 20 in tv set also has a width of 16 inches. What is its height?
If it's the 4:3 format, width to height ratio, it's 12 inches.
d^2 = w^2 + h^2
----------------
What is the height of a 20 in tv?
See above.