“Well, here it is: that time they told us about in high school when math would save our lives”*

Ok, maybe it didn’t save my life, but consider this: We are building round concrete pillars to use as tables in our courtyard at work. We want to paint or etch chessboards on the top of the pillars. The concrete forms are 18″ in diameter. Will a chessboard with 2″ squares fit on the pillar? […]