Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #1 20130420 18:28:37
Regular concave polygonsWhat is the regular concave polygon with the smallest number of sides? #2 20130420 22:39:34
Re: Regular concave polygonsA concave quadrilateral. 'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.' 'God exists because Mathematics is consistent, and the devil exists because we cannot prove it' 'Who are you to judge everything?' Alokananda #5 20130421 00:44:44
Re: Regular concave polygonsI am sorry, I didnt notice 'Regular'. Last edited by Agnishom (20130421 02:24:13) 'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.' 'God exists because Mathematics is consistent, and the devil exists because we cannot prove it' 'Who are you to judge everything?' Alokananda #7 20130421 02:09:23
Re: Regular concave polygons
I think it’s a concave dodecagon Last edited by Nehushtan (20130421 22:18:45) 134 books currently added on Goodreads #11 20130421 22:34:10
Re: Regular concave polygonsWhat is the answer anyway? 'And fun? If maths is fun, then getting a tooth extraction is fun. A viral infection is fun. Rabies shots are fun.' 'God exists because Mathematics is consistent, and the devil exists because we cannot prove it' 'Who are you to judge everything?' Alokananda #12 20130422 00:57:10
Re: Regular concave polygons
Why, of course! A concave decagon. 134 books currently added on Goodreads 