Why are Walled Cities Round? Why are Walled Cities Round? begin-post-stats Tipping Point Math • 40K views end-post-stats begin-duration 3:47 end-duration Math topics: _Curves_##Curves##_Curve_##Curve##_Circle_##Circle##_Arc_(geometry)_##Arc (geometry)##_Elementary_geometry_##Elementary geometry##_Line_segment_##Line segment##_Shape_##Shape##_Bisection_##Bisection##_Polytopes_##Polytopes##_Edge_(geometry)_##Edge (geometry)##_Equilateral_triangle_##Equilateral triangle##_Hexagon_##Hexagon Other topics: _Physical_quantities_##Physical quantities##_Perimeter_##Perimeter##_Angle_##Angle##_Area_##Area video-id: wztTPiL4DkQ channel_Tipping_Point_Math_ So What Learning Curves , Elementary geometry , Physical quantities , Polytopes Monday, January 22, 2018 Share Share