Answer: 135
Step-by-step explanation:
1.) You want to count the amount of sides (8)
2.) You then subtract 2 from the amount of sides (8-2)
3.) After you times that by 180 (6*180)
4.) You then take that number and divided it by you origanal amount of sides (1080/8)
5.) After that you get your answer (135)
