In a rectangle, the diagonal is 4 times of its breadth. The ratio of length to breadth is:
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Correct answer: A
Explanation
The correct answer is option 1 i.e. .
Concept Used:
Relation between the Length, breadth, and diagonal of the rectangle
Length2 + breadth2 = Diagonal2
Calculations:
According to the question;
Let the breadth of the rectangle be x.
Diagonal = 4x
⇒ Length2 = Diagonal2 - breadth2
⇒ Length2 = 16x2 - x2
⇒ Length2 = 15x2
⇒ Length = √15x
Hence, required ratio = √15x : x
⇒ √15 : 1