What is Area of a Circle? Area Formula & Calculation - [7-5-10]

More Lessons: http://www.MathAndScience.com Twitter:   / jasongibsonmath   In this lesson, you will learn what the area of a circle is and how it is calculated. We describe the number Pi and how it is involved in the calculation of the area of a circle. The formula for the area of a circle is equal to Pi times the radius squared. We discuss what this means geometrically, and we calculate the area several circles to give the student practice. We also discuss the units of area such as square meters or square centimeters.