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Q: The diagonal of a rectangle is thrice its small side. The ratio of the length to the breadth of the rectangle is
A. 3 : 1 B. √3 : 1
C. √2 : 1 D. 2√2 : 1

Answer and Explanation

Answer:2√2 : 1

Explanation:
√(l2 + b2) = 3b => l2 + b2 = 9b2 => l2= 8b2 => l2/b2 = 8 => l/b = √8 = 2√2:1

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