The Rug Puzzle: how many triangles?

From the creator

This video sponsored by ME. I mean: MATHS GEAR. Buy my book. https://mathsgear.co.uk/collections/books/products/signed-paperback-things-to-make-and-do-in-the-fourth-dimension My original tweet that started the puzzle! https://twitter.com/standupmaths/status/981178738594533376 Owner of the rug is Andris Bērziņš: @BerzinsAndris You can find it online here: http://www.narma.ee/collection/treski-t65 Download the smaller rug grid: https://www.dropbox.com/s/ozifr0dmy0i2he5/rug-grid.png?dl=0 Hand working out was Calvin Stromwall: @Cstromw https://twitter.com/Cstromw/status/981208250577190913 The code was from Edward Mróz: @inzmru https://twitter.com/inzmru/status/981241767457644544 Animation of the triangles moving around by Samuel Burch: @samisaburch https://www.youtube.com/watch?v=B82nKLqpgo4 If you think you have an answer: tweet (@standupmaths), comment (standupmaths) or email ([email protected]) me. CORRECTIONS - No mistakes spotted yet! Let me know if you see anything which is wrong or the puzzle needs additional clarification. Thanks to my Patreon supporters who made this possible. Here is a random subset: Kragar Tim Nichols Cubey Dean Fantastic Jonathan Anderson Support my channel and I can make more videos. Plus I clearly need a new camera. https://www.patreon.com/standupmaths Music by Howard Carter Design by Simon Wright MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/ Maths book: http://makeanddo4D.com/ Nerdy maths toys: http://math

Published 2018-04-04 · Watch on YouTube ↗
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