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M23-24

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Intern
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Joined: 15 Aug 2015
Posts: 30
Location: India
Concentration: Other, Technology
WE: Engineering (Retail)
Re: M23-24  [#permalink]

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New post 11 Jul 2018, 08:44
Statement (1) by itself is sufficient. We can find the sides of the rectangle (40 and 2).

How can one tell the sides are 40 and 2.
length * breadth = 80.
length + breadth = 42.

since lb is a positive value, I can say both of the them are positive or both of them could be negative.
Both of them should be positive because l + b is positive.

Can't l and b have any real value solutions in this scenario? Nowhere it is mentioned that l and b should be integers.
Intern
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Joined: 03 Feb 2016
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Re: M23-24  [#permalink]

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New post 02 Aug 2018, 08:44
use of cosine rule we can easily find the angle.
Re: M23-24 &nbs [#permalink] 02 Aug 2018, 08:44

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