PLZZZ HELPPPP ILL MARK BRAINLIEST TO FIRST AND CORRECT ANSWER THAT HAS WORK AND A THX TO SECOND AND CORRECT ANSWER.

Answer:
I'm pretty sure that the answer is 11 and 12
Step-by-step explanation:
11 and 12 both equal to 180 which makes them supplementary angles
Answer:
I also agree that it is 11 and 12
Step-by-step explanation: