2003 AMC 10B Problem 6
Many television screens are rectangles that are measured by the length of their diagonals. The ratio of the horizontal length to the height in a standard television screen is The horizontal length of a “-inch” television screen is closest, in inches, to which of the following?
Answer choices
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Solution
Since the length and height are in ratio the length, height, and diagonal form a right triangle. The diagonal is so the horizontal length is which is closest to
Thus, the correct answer is D.