SOLUTION: Television sets. What does it mean to refer to a 20 inch Tv set or a 25 inch TV set? Such units refer to the diagonal of the screen. A 15 inch TV set also has a width of 12 inches.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Television sets. What does it mean to refer to a 20 inch Tv set or a 25 inch TV set? Such units refer to the diagonal of the screen. A 15 inch TV set also has a width of 12 inches.      Log On


   

Question 635439: Television sets. What does it mean to refer to a 20 inch Tv set or a 25 inch TV set? Such units refer to the diagonal of the screen. A 15 inch TV set also has a width of 12 inches. What is its height? What is the height of a 15 inch TV?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

What is the height of a 15 inch TV with w = 12? (15in being the diagonal of the screen)

Applying the Pythagorean Theorem

 sqrt%2815%5E2+-+12%5E2%29+=+sqrt%2881%29+=+9in