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Square $ABCD$ has side length $1$ unit. Points $E$ and $F$ are on sides $AB$ and $CB$, respectively, with $AE = CF$. When the square is folded along the lines $DE$ and $DF$, sides $AD$ and $CD$ coincide and lie on diagonal $BD$. The length of segment $AE$ can be expressed in the form $\sqrt{k}-m$ units. What is the integer value of $k+m$?
 Nov 6, 2022
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The length of the segment is sqrt(15) - 2, so k + m = 17.

 Nov 13, 2022

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