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Question

If a, b and c are the side lengths of the triangle such that a+b+cabc=54.The perimeter of the triangle will be:


A

3(b+c)

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B

5(a+c)

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C


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D

10(a+c)

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Solution

The correct option is C



a+b+cabc=54
Using componendo and dividendo
(a+b+c)+(abc)(a+b+c)(abc)=91
a=9(b+c)
Perimeter of the triangle = a+b+c
= a+19a
= 109a.


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