Lecture 16 (Geometry) Limits, Circumference, and Area of Circles

In the lecture, π is defined precisely as:

1. A.The decimal value 3.14159, continued out to infinity.
2. B.The ratio of the area of a circle to the square of its radius.
3. C.The ratio of any circle's circumference to its diameter.
4. D.The limit of the perimeters of inscribed regular polygons.