# Lesson overview: Calculate area of compound shapes with circles

### 4 lessons in Parts of circles 2 (Arcs and Sectors):

### 4 lessons in Parts of a circle 1 & 2:

- Know the parts of a circle
- Find the area of a semicircle and quarter circle
- Find the area of a sector
- Find the radius or diameter given the area of a sector
- Find the length of an arc on a semicircle and quarter circle and the perimeter of a semicircle and quarter circle
- Find the length of an arc and the perimeter of a sector
- Use the arc length to find the radius or angle of a sector
- Calculate area of compound shapes with circles