SOLUTION: 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-in. What is its height?

Question 322029: 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-in. What is its height?
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
The lngth of tv sets are given by the diagonal measure.
The height is the side measure (from top to bottom).
The width is the bottom measure (from left to right).
The diagonla is 20. Th width is 16 inches.
Use the Pythagorean Theorem to find the height.
Let h = height
16^2 + h^2 = 20^2
256 + h^2 = 400
h^2 = 400 - 256
h^2 = 144
=
h = 12
The height is 12 inches.

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