In Terms of Pi Finding Area and Circumference

The video tutorial introduces the concepts of area and circumference of circles using Pi. It provides an example of calculating the area of a circle, emphasizing the use of Pi instead of its numerical approximation. The tutorial explains the relationship between radius and diameter and demonstrates how to calculate the area using the diameter, leaving the result in terms of Pi.

What is the value of 8 squared?

Why is it important to leave the answer in terms of π?