  Let $G$ be a finite $D$-quasirandom group and $A \subset G^{k}$ a
$\delta$-dense subset. Then the density of the set of side lengths $g$ of
corners \[
\{(a_{1},\dots,a_{k}),(ga_{1},a_{2},\dots,a_{k}),\dots,(ga_{1},\dots,ga_{k})\}
\subset A \] converges to $1$ as $D\to\infty$.
