Comparing TVs The screen size of a television is determined by the length of the

Chapter 1, Problem 107

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Comparing TVs The screen size of a television is determined by the length of the diagonal of the rectangular screen. Traditional TVs come in a 4 : 3 format, meaning the ratio of the length to the width of the rectangular screen is 4 to 3. What is the area of a 37-inch traditional TV screen? What is the area of a 37-inch LCD TV whose screen is in a 16 : 9 format? Which screen is larger? [Hint: If x is the length of a 4 : 3 format screen, then x is the width.]

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