Math: Calculating the Area of a Circle Using Pizza Slices
![](https://wpsu.psu.edu/wp-content/uploads/2023/06/Calculating-the-Area-of-a-Circle-Using-Pizza-Slices-Zero-to-Infinity.jpeg)
Learn how the concept of infinity can be used to convert a round pizza into a rectangle, which explains the formula for the area of a circle, with this video excerpt from NOVA: Zero to Infinity. Use this resource to provide opportunities for students to reason abstractly and to construct an argument about the formula for the area of a circle.