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 Angle Trisection (Posted on 2002-06-19)
How can you divide an angle into 3 equal angles? You may only use a straightedge and a compass to achieve this.

(This means : You have an angle A, you divide Angle A into 3 Angles B,C,D. And B=C=D=A/3)

Note: vohonam clarified that the problem actually only gives you a straightedge, not a ruler.

 See The Solution Submitted by vohonam Rating: 3.8889 (9 votes)

 Subject Author Date Wasted yooth Percy 2005-08-23 01:01:00 Reference Richard 2005-05-30 02:43:40 My past solution does not apply... Antonio 2003-09-04 06:55:02 Solution Antonio 2003-09-04 06:15:00 Trial and error Bryan 2003-04-03 13:15:34 re(2): eureka!!!!! part 2! (Sorry) James 2002-10-26 15:07:01 re: eureka!!!!! part 2! (Sorry) TomM 2002-10-26 03:57:23 eureka!!!!! part 2! James 2002-10-25 20:30:50 eureka!!!!! James 2002-10-25 20:30:10 re(9): The next problem after this... Happy 2002-06-21 04:30:02 re(8): The next problem after this... Nick Reed 2002-06-20 23:07:31 This was an old problem long time ago. It seems impossible to prove. If someone can solve this. I really appreciate. vohonam 2002-06-20 18:25:09 re(7): The next problem after this... levik 2002-06-20 16:07:54 re(6): The next problem after this... Happy 2002-06-20 11:18:32 re(5): The next problem after this... Nick Reed 2002-06-20 11:07:11 re(4): The next problem after this... levik 2002-06-20 10:50:38 re(3): The next problem after this... friedlinguini 2002-06-20 08:22:56 re(2): The next problem after this... Happy 2002-06-20 07:45:24 re: The next problem after this... friedlinguini 2002-06-20 05:47:04 The next problem after this... Happy 2002-06-20 05:31:55 re: Solution, sorta. levik 2002-06-20 04:27:32 Solution, sorta. friedlinguini 2002-06-20 03:21:19 This is an unsolved problem from the past. vohonam 2002-06-19 17:44:47 re(2): Is it true... TomM 2002-06-19 15:53:11 re: Is it true... TomM 2002-06-19 15:48:57 Is it true... Dulanjana 2002-06-19 15:30:37 "Ruler" TomM 2002-06-19 10:42:27 100 Problems!!!! levik 2002-06-19 08:37:05

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