$\displaystyle \frac{16\sqrt{3}}{3}$\displaystyle \frac{16\sqrt{3}}{3}

$\displaystyle \frac{8\sqrt{3}}{3}$\displaystyle \frac{8\sqrt{3}}{3}

$\displaystyle \frac{4\sqrt{3}}{3}$\displaystyle \frac{4\sqrt{3}}{3}

$\displaystyle \frac{2\sqrt{3}}{3}$\displaystyle \frac{2\sqrt{3}}{3}