
The Math of Manholes, Part Two
(Continued from part one) Before we start, I want to clear up a small point: Reuleaux is pronounced RUH low. Moving on. The answer to the question posed at the end of the post (“Why can we turn some shapes into Reuleaux polygons but canâ€™t for others?”) is: if the polygon has an even number…

The Math of Manholes, Part One
This is a manhole. You’ve no doubt seen them many times. But have you ever really thought about them? Welcome to another post on the Adder! Today we delve into yet another topic that manages to squeeze math out of itself: First, the basics. Manholes are holes in the ground. Men can go inside them,…