Question

PLEASE HELP WILL GIVE 30 POINTS

Answer 1

1767.1

Step-by-step explanation:

circle = 4/3 x pie x r^3

Divid 15 by 2 to get radius

15/2=7.5

7.5^3 = 421.875

421.875 x pie = 1325.359401

1325.359401 x 4/3 = 1767.145868

1767.145868 Estimated = 1767.1

Answer 2

15π

Step-by-step explanation:

If it is in terms of pi, then it would be 15π.

If you want the full circumference, it would be 47.1.

Step-by-step explanation:

15/2 = 7.5.

7.5*2 = 15.

15π = 47.1.

Hope this helped!