Respuesta :

Answer:

9 cm

Step-by-step explanation:

[tex] \because \: C = 2\pi \: r \\ \\ \therefore \: 18\pi = 2\pi \times r \\ \\ \therefore \: r = \frac{18\pi}{2\pi} \\ \\ \therefore \: r =9 \: cm[/tex]

Hence, radius of circle is 9 cm.

Answer:

9

Step-by-step explanation: