AD, BE and CF are all diameters of the circle. The measure of angle AOB is 40 degrees. The measure of angle DOF is 120 degrees.
Find the measures of the following angles:
1. BOC
2. COD
![AD BE and CF are all diameters of the circle The measure of angle AOB is 40 degrees The measure of angle DOF is 120 degreesFind the measures of the following an class=](https://us-static.z-dn.net/files/d9b/e4b913b3fb4beb02eaa61611b9dba741.png)