PLEASE I NEED HELP I HAVE NO IDEA WHAT THE ANSWERS ARE

Answer:
Sector AOB: 3.87
Sector BOC: 7.74
Sector COD: 5.16
Sector DOE: 3.01
Sector AOE: 11.19
Explanation:
Equation used: [tex]S=\frac{r^2*a}{2}[/tex]