The answer will be 150 (D)
You add 33 and 117 which gives you 150. Subtract 180 from the 150 which will give you 30. The 30 is for >c.
Then you add 33+117+30 giving you 180 that’s the whole inside. Now that you have the missing angle degree (30) you subtract the 30 from 180. Giving you 150 for I Hope this makes sense I apologize if it doesn’t.