Question

answer my questions by writting on paper
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Answer 1

Heya

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perimeter of given Trangle is =

-2y + 3x + y + L = 2x - 5y

Where L is length of 3rd side of given ∆ is

=>

-2y + 3x + L = 2x - 5y

=>

L = -x - 3y

So, Length of 3rd side of ∆ is

| - x - 3y |

Where || is magnitude.