Proving the Circumference Formula of Circles

The video tutorial explains the concept of circumference and its formula, C = πd, by dissecting a circle and comparing its diameter to its circumference. It clarifies the difference between circumference and area, and provides an informal proof by unrolling the circle. The lesson emphasizes the importance of using an accurate value of π for precise calculations and concludes with a recap of the proof, applicable to all circles.

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