Respuesta :
Answer:
5.732484076 =d
Step-by-step explanation:
The circumference is given by
C = pi*d
18 = 3.14 *d
Divide each side by 3.14
18/3.14 = 3.14d/3.14
5.732484076 =d
Answer: d ≈ 5.73 ft
Step-by-step explanation: Using the formulas
C=2πr
d=2r
Solving for d
d= C/π = 18/π ≈ 5.72958ft