# Unit: Circles

## Lessons:

8 lessons

### Parts of a circle

In this lesson, you will learn about the different parts of a circle and the relationship between the diameter and the radius.

### Circumference of a circle

In this lesson, you will learn about the relationship between the circumference and the diameter

### Fractions of a circle

In this lesson, you will learn how to calculate the arc length for fractions of circles

### Compound Perimeter

In this lesson, you will calculate the perimeter of shapes involving fractions of circles

### Area of a circle

In this lesson, you will learn to calculate the area of a circle

### Finding a formula

In this lesson, you will look at different formulas for area of a circle and combine your knowledge with the work on circumference

### Area of sectors

In this lesson, you will learn how to find the areas of sectors

### Compound area problems

In this lesson, you will learn how to calculate the area of compound shapes involving circles