Answer:
1). 452. 4
2. 615.8
3). 254.5
4) 380.1
5) 21.2
6). 3653.1
7) 547.4
8) 2808.6
Circumference-
9). 50.3
10) 53.2
I really hope this helps!
1. 452.4
3. 254.5
4. 380.1
5. 21.2
6. 3653.1
7. 547.4
8. 2808.6
9. 50.3
10. 52.2
Hope It Helps! I'm pretty sure they are correct!
