7. 20
8. 680
9. 700
10. 4,000
11. 106,000
12. 5,800
Octagon has 8 sides so the sum of the angles of the octagon is 180(8-2)=180 (6)=1080 degrees
Answer:
4683
Step-by-step explanation:
Answer:
i love math
Step-by-step explanation:
Answer:
C
Step-by-step explanation: