Lessons

Find the circumference of a circle
In this lesson you will learn to find the circumference of a circle by exploring the ratio of the diameter and circumference.

Find the area of a circle
In this lesson you will learn to find the area of a circle by exploring the relationship between a circle and a rectangle.

Use circumference to solve for area
In this lesson you will learn how to find the area of a circle by using the measure of the circumference.

Use area of a circle to solve for circumference
In this lesson you will learn how to find the circumference of a circle by using the measure of area.