SOLUTION: What are the dimensions of a flat screen T.V. with a surface area of 218.4 square inches?

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Question 766034: What are the dimensions of a flat screen T.V. with a surface area of 218.4 square inches?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What are the dimensions of a flat screen T.V. with a surface area of 218.4 square inches?
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Most have an aspect ratio of 16:9, 16 wide by 9 high.
h = (9/16)w
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218.4 = w*h
218.4 = (9/16)w*w
w^2 = 218.4*16/9
w =~ 19.7 inches
h =~ 11.08 inches
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