SOLUTION: what does it mean to refer to a 20"TV set or a 25" TV set? Such units refer to the diagonal of the screen. at 35" TV set also has a width of 28", what is it's height?

Question 319317: what does it mean to refer to a 20"TV set or a 25" TV set? Such units refer to the diagonal of the screen. at 35" TV set also has a width of 28", what is it's height?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what does it mean to refer to a 20"TV set or a 25" TV set? Such units refer to the diagonal of the screen. a 35" TV set also has a width of 28", what is it's height?
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Let the height be "x":
Equation:
x^2 + 28^2 = 35^2
x^2 = 35^2-28^2
x^2 = 441
x = 21 inches
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Cheers,
Stan H.
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