SOLUTION: Please help. A television set is measured by the diagonal of the screen. A 35 in set has a diagonal measure of 35, and its width is 28 in. What is its height? Thank you.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Please help. A television set is measured by the diagonal of the screen. A 35 in set has a diagonal measure of 35, and its width is 28 in. What is its height? Thank you.      Log On


   

Question 177382: Please help.
A television set is measured by the diagonal of the screen. A 35 in set has a diagonal measure of 35, and its width is 28 in. What is its height?
Thank you.
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
use the pathagorean theorem
:
sum of the square of the sides= the hypothenuse squared
:
our hypothenuse is the diagonal
:
28%5E2%2Bh%5E2=35%5E2
:
784%2Bh%5E2=1225
:
h%5E2=441
:
sqrt%28441%29
:
highlight%28h=21%29inches high