This video shows that pi is equal to the ratio of the area of a circle to the area of a square when the radius of the circle equals the length of the side of the square. This is a view of pi other than the ratio of the circumference to the diameter.
Formula for Area of a Circle is a free educational video by Steven Ellis.It helps students in grades 9,10,11,12 practice the following standards HSG.GMD.A.1.
1. HSG.GMD.A.1 : Give an informal argument for the formulas for the circumference of a circle area of a circle volume of a cylinder pyramid and cone. Use dissection arguments, Cavalieris principle, and informal limit arguments..