Inspiring and Creative Resources & Tutorials for Science-Curious People
A neat math trick to perform: ask someone to sketch an hexagon on a multiplication table, then instruct them to sum the numbers at its vertices. By sharing the result, you can deduce the central number of the hexagon. How? Simply divide the sum by 6.
Additionally, here’s a secret: it works with pentagons too!
Source: https://twitter.com/panlepan/status/1138686590216298497?s=20 by @panlepan
Take 6 points on a circle such that every second edge (green chords) has length equal to the radius of the circle. Then the midpoints of the other three sides of the cyclic hexagon form an equilateral triangle.
Read more: https://www.archimedes-lab.org/2-Sunday_puzzle_43.html
The sides of a pentagon, hexagon, and decagon, inscribed in congruent circles, form a right triangle.