Rhapsody on the Proof of Pi = 4 Rhapsody on the Proof of Pi = 4 begin-post-stats Vihart • 1M views end-post-stats begin-duration 5:55 end-duration Math topics: _Triangles_##Triangles##_Right_triangle_##Right triangle##_Triangle_##Triangle##_Isosceles_triangle_##Isosceles triangle##_Special_right_triangle_##Special right triangle##_Irrational_numbers_##Irrational numbers##_Pi_##Pi##_Irrational_number_##Irrational number##_Square_root_of_2_##Square root of 2##_Length_##Length##_Perimeter_##Perimeter##_Length_##Length##_Diameter_##Diameter##_Geometry_##Geometry##_Cathetus_##Cathetus##_Diagonal_##Diagonal##_Geometry_##Geometry##_Line_segment_##Line segment##_Circumference_##Circumference##_Hypotenuse_##Hypotenuse##_Polytopes_##Polytopes##_Regular_polygon_##Regular polygon##_Polygon_##Polygon##_Edge_(geometry)_##Edge (geometry) Other topics: _Categories_for_deletion_##Categories for deletion##_Square_(algebra)_##Square (algebra)##_Class_(set_theory)_##Class (set theory)##_Square_root_##Square root video-id: D2xYjiL8yyE channel_Vihart_ So What Learning Categories for deletion , Geometry , Irrational numbers , Length , Polytopes , Triangles Tuesday, January 9, 2018 Share Share