Equiangular hexagon $ABCDEF$ has side lengths $AB=CD=EF=1$ and $BC=DE=FA=r$. The area of triangle $ACE$ is $70\%$ of the area of the hexagon. What is the sum of all possible values of $r$?
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Equiangular hexagon $ABCDEF$ has side lengths $AB=CD=EF=1$ and $BC=DE=FA=r$. The area of triangle $ACE$ is $70\%$ of the area of the hexagon. What is the sum of all possible values of $r$?
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Equiangular hexagon $ABCDEF$ has side lengths $AB=CD=EF=1$ and $BC=DE=FA=r$. The area of triangle $ACE$ is $70\%$ of the area of the hexagon. What is the sum of all possible values of $r$?
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