Given that a 22-inch monitor with an aspect ratio of 16 : 9 has monitor resolution of 1920×1080, what is the width of the monitor ?
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Correct answer: (D) 19.17 inches
Explanation
Diagonal = 22 in and the ratio is 16:9, so the diagonal factor is √(16² + 9²) = √337 ≈ 18.36. Width = 22 × 16 ÷ 18.36 ≈ 19.17 inches.