Circles And Circular Figures: Calculating the area of a circle

The video tutorial explains how to calculate the area of a circle using the formula pi times the radius squared. It highlights the importance of pi in geometry and provides examples to demonstrate the calculation process. The first example uses a circle with a given radius, while the second example involves converting a diameter to a radius before calculating the area. The tutorial emphasizes understanding the relationship between diameter, radius, and area in circular figures.

What is the significance of the number pi in relation to circles?

If a circle has a radius of 2 centimeters, what is its area?