Angle trisection - Wikipedia
An arbitrary Angle Trisection Results
Trisecting an angle of 45 degrees using method 1
How to divide a right angle into five equal parts - Quora
Trisecting an angle of 120 degrees using method 1
Geometrical trisection results for angle using the GeoGebra software
How to divide a circle into 12 - Quora
Can you divide an angle into many equal parts? - Quora
Trisecting an angle of 150 degrees using method 2
Proof of angle trisection results, an application of the compass
PDF) A UNIQUE METHOD FOR THE TRISECTION OF AN ARBITRARY ANGLE
How can a line be divided into a number of equal parts? - Quora