Answer :
Answer:
- 6π ft
Step-by-step explanation:
Area:
- A = πr²
Circumference:
- C = 2πr
Substitute values in area:
- πr² = 9π
- r² = 9
- r = 3 ft
Circumference is:
- C = 2π*3 = 6π
Answer:
Step-by-step explanation:
Area:
Circumference:
Substitute values in area:
Circumference is: