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HMMT November 2019 U13

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In △ABC\triangle A B C, the incircle centered at II touches sides ABA B and BCB C at XX and YY, respectively. Additionally, the area of quadrilateral BXIYB X I Y is 25\frac{2}{5} of the area of ABCA B C. Let pp be the smallest possible perimeter of a △ABC\triangle A B C that meets these conditions and has integer side lengths. Find the smallest possible area of such a triangle with perimeter pp.

Dataset text NuminaMath olympiads. Quoted with source.

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2 \sqrt{5}

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