Please solve question no 7 with proper explanation 

Asked by adityaahuja099 | 28th Nov, 2017, 05:05: PM

Expert Answer:

 
 begin mathsize 16px style angle C O D equals 50 degree... left parenthesis A n s space 3 right parenthesis end style

Answered by Nooren | 29th Nov, 2017, 12:15: PM