## Posts Tagged ‘angle measure’

### Measuring an angle with a ruler

Posted by: **Dave Richeson** on October 19, 2008

A blog about math, puzzles, teaching, and academic technology

Posted by: **Dave Richeson** on October 19, 2008

Euler's Gem: The polyhedron formula and the birth of topology

Princeton University Press

2008

Euler's Gem Facebook page

Buy it:

Princeton University Press

Amazon

Princeton University Press

2008

Euler's Gem Facebook page

Buy it:

Princeton University Press

Amazon

- RT @maanow: Congrats to the MAA authors in @PrincetonUPress's Best Writing on Mathematics! ðŸ™Œ @swirlgirl31415 @divbyzero https://t.co/4IXSâ€¦ 17 hours ago
- Cantor set tattoo! twitter.com/solvemymaths/sâ€¦ 2 days ago
- RT @maanow: Sit down for a tale of four of the most famous problems in the history of mathâ€¦ at #MAAthFest! @divbyzero https://t.co/mmY242JLâ€¦ 3 days ago
- RT @stevenstrogatz: Ah biology! My student Bertrand and I just learned a great new phrase: "viremic bloodmeal." Ideal name for our punk metâ€¦ 4 days ago
- Killing Form Superattractor Splitting Fields Reductio ad Absurdum Liar's Paradox The Faithful Functors The Pythagorâ€¦ twitter.com/i/web/status/8â€¦ 4 days ago

- How to curve an exam and assign grades
- What is the difference between a theorem, a lemma, and a corollary?
- Music is math: ten songs about mathematics
- Is or an inclusive or or an exclusive or?
- LaTeX now available in Google Docs
- The transcendence of e
- Showing two expressions are equal: stop the madness
- Trigonometric functions and rational multiples of pi
- Coffee stains and the Simpsons in your LaTeX document
- Tennenbaum's proof of the irrationality of the square root of 2