SOLUTION: The size of a TV screen is the length of the diagonal in inches. Assume there is a TV set of 40 inches screen and of 30 inches high. What is the length of the diagonal?

Algebra ->  Surface-area -> SOLUTION: The size of a TV screen is the length of the diagonal in inches. Assume there is a TV set of 40 inches screen and of 30 inches high. What is the length of the diagonal?      Log On


   

Question 1089692: The size of a TV screen is the length of the diagonal in inches. Assume there is a TV set of 40 inches screen and of 30 inches high. What is the length of the diagonal?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
sqrt%2840%5E2+%2B+30%5E2%29 inches.


Pythagorean theorem.


On Pythagorean theorem see the lessons
    - The Pythagorean Theorem
    - More proofs of the Pythagorean Theorem
in this site.