The Wallace–Bolyai–Gerwien theorem says that if you have two polygons of equal area, you can cut one into pieces, and then place them back together to form the second piece. Dima Smirnov and Zivvy Epstein made an interactive to demonstrate. Draw two shapes and watch the magic happen.
Projects by Nathan Yau See All →
Working on Tips, by State
What percentage of a waiter and waitress’s income comes from tips and what comes from salary? The calculation isn’t straightforward but we can try.