Problema Solution
Television sets: What does it mean to refer to a 20 inch tv set or a 25in TV set? Such units refer to the diagonal of the screen. A 30 in TV set also has a width of 24 inches.
What is its height?
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Answer provided by our tutors
let x = the height.
Using the Pythagorean Theorem,
x^2 + 24^2 = 30^2
x^2 = 324
x = 18
The height is 18 inches.