How to Trisect an Angle with Origami - Numberphile How to Trisect an Angle with Origami - Numberphile begin-post-stats Numberphile • 358K views end-post-stats begin-duration 7:43 end-duration Math topics: _Elementary_arithmetic_##Elementary arithmetic##_Fraction_(mathematics)_##Fraction (mathematics)##_Subtraction_##Subtraction##_Multiplication_##Multiplication##_Equations_##Equations##_Equation_solving_##Equation solving##_Equation_##Equation##_Cubic_function_##Cubic function##_Elementary_geometry_##Elementary geometry##_Bisection_##Bisection##_Line_segment_##Line segment##_Point_(geometry)_##Point (geometry)##_Elementary_mathematics_##Elementary mathematics##_Constructible_number_##Constructible number##_Square_root_##Square root##_Cube_root_##Cube root Other topics: _Euclid_##Euclid##_Angle_trisection_##Angle trisection##_Euclidean_geometry_##Euclidean geometry##_Euclid_##Euclid##_Tools_##Tools##_Straightedge_##Straightedge##_Compass_##Compass##_Compass_(drawing_tool)_##Compass (drawing tool) video-id: SL2lYcggGpc channel_Numberphile_ So What Learning Elementary arithmetic , Elementary geometry , Elementary mathematics , Equations , Euclid , Tools Friday, January 12, 2018 Share Share