Question 25
Let $R$ be a square region and $n \geq 4$ an integer. A point $X$ in the interior of $R$ is called *$n$-ray partitional* if there are $n$ rays emanating from $X$ that divide $R$ into $n$ triangles of equal area. How many points are $100$-ray partitional but not $60$-ray partitional?