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A circular wire of length 168 cm is cut and bent in the form of a rectangle whose sides are in the ratio of 5 : 7. What is the length (in cm) of the diagonal of the rectangle?

A√4127

B√3137

C√1813

D√3626

Answer:

D. √3626

Read Explanation:

Perimeter of circle = perimeter of rectangle length and breadth of rectangle be 5x and 7x 2(5x + 7x) = 168 x = 7 Diagonal = √(35² + 49²) = √3626


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