@isaacc Like, I just saved this in my chromebook.
@isaacc Confused, but lovin' it.
It's known that a cube can be made of 5 tetrahedra: *1 regular tetrahedron* at the center, plus *4 trirectangular tetrahedra* (*trt*) glued to the 4 faces of the former.
If the edge of the cube be 2, the edges of the *regular tetrahedron* (in the interior) will have length = 2.sqrt(2) & its volume will be 8/3. Now, the *trt* has the same base as a face of the reg. tetrahedron & 1/2 its altitude, so its volume is 4/3. Together:
8/3 (reg. tetrah.) + 4. 4/3 (trt's)= 24/3 = 8 (volume of the cube)
@orangesec_0 When I'm on here, I enjoy your posts. :)
when you get bored but all you have is memes to entertain you, but that still isn't enough so you combine memes to make the ultimate meme https://www.youtube.com/watch?v=Y5tjtUFL0j4
Why I don't watch the mainstream media anymore. #peertube https://peertube.video/videos/watch/3c976d86-58f6-481a-b424-b1005e200ccb
@1stCareBear mostly manga. Can’t say I have a favorite series anymore. Still love a good story
@kaburi Looks like something I would try. What's it taste like? Interested
@isaacc Kinda reminds me of the rubic's cube
This is a very elegant solid obtained from a "polychoron" in 4 dimensions (a **358 proh** as a Jonathan Bowers' acrostic abbreviated name); but it is a good polyhedron in its own right in 3 dimensions: [F= 256; V= 192; E= 480; genus: g= 17] [E+2=482(-F-V)=34=2g] I offer 2 views of the animal, which is a **discosi-hexapentacontahedron** (256 faces) with symmetry **Oh** (**octahedral complete**, the same of the cube); faces are of no less than 13 different types; please be happy, everybody!..
@isaacc cool 1940, by a Helmutt somebody. Um, geometry? Forgive me, math isn't one of my strong subjects.
The pic today is of a handsome solid by the not easy name of *rhombic diskaiheptacontahedron* (72 faces, all *rhombi* of 2 kinds, 18 narrow ones (dark brown) & 54 wide ones (light brown); the face vector of the 'animal' is [V=74, F=72, E=144] and *symmetry* is *3-fold dihedral* with *vertical reflection* - *D3d* with Rv.
Please be happy you all & enjoy being alive!
@orangesec_0 I like that knife.
@kaburi How's those floors looking?
Prefer to work from home. Builderall platform is a beast. Best online marketing platform I've ever worked with. I'll eventually move back to New York.
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