Discover and read the best of Twitter Threads about #mathgif
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#Puzzle Prove that the red points are collinear.
How many proofs can you come up with ? #GeometrySnacks @edsouthall
How many proofs can you come up with ? #GeometrySnacks @edsouthall
Many solutions down there ! Here's one which is not the first one you might think of. Adding another equilateral triangle and using a 60° rotation. #MathGIF
For the colorblind folks, here's the black & white version as published in the AMS Calendar by @evelynjlamb.
I made a thing. One shape fits all.
Turns out I didn't invent something new. You can find STL files to 3D print it on @thingiverse. @SamHartburn actually went much further with different shapes and holes, see @aperiodical :
👉aperiodical.com/2019/03/many-t…
👉thingiverse.com/thing:3443945/…
Cc @CDawson18
👉aperiodical.com/2019/03/many-t…
👉thingiverse.com/thing:3443945/…
Cc @CDawson18
Clarissa Grandi (@c0mplexnumber) does some great #mathart inspired by the #Alhambra so I'm going to use her #Inktober2019 thread and add the corresponding pictures that I took at @MuseoAlhambra. #thread 1/n
This pattern is much bigger than I thought, (1st room). Two sizes, on one wall the rectangles have the size of a brick. I noticed it's just a small change in the rectangle&square pattern, common on the andalusian floors, also in this room. #Alhambra 2/n
Same pattern, greater size and used and the rectangle & square floor with decorated squares. #Alhambra 3/n
