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The length and perimeter of a rectangle are the ratio of 5 : 18 What well be the ratio of its length and breadth?

Correct Answer: 5 : 4

Explanation:

According to the question,
l/[2(l + b)] = 5/18
⇒ 10l + 10b = 18l = 10b
⇒ l/b = 10/8 = 5/4
∴ l : b = 5 : 4
Hence, ratio of length and breadth of a rectangle is 5 : 4


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