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.

http://mathforum.org/dr.math/faq/faq.impossible.construct.html

Posted by Richard on 2005-05-30 02:43:40