Question

I need help right now with homework plz.both of them are on the same homework page.

Answer 1

1. 64 π
2. 10 π
3. 31.4
4. 30 π
5. 75.36
6. 150.796447372
7. 128π
8. 100 feet
9. Using the pi symbol since it represents the number multiplied by all the decimals of pi and not a rounded version like 3.14

Answer 2

Answer:

For the first one I believe it is 90

Step-by-step explanation:

All I did to solve this was do 180 which is the diameter and divide by 2