What is the circumference of this circle

Answer:
31.4 cm
Step-by-step explanation:
Let C be the circumference and r be the radius of the circle.
[tex] \therefore \: C = 2\pi \: r \\ \hspace{19 pt}= 2 \times 3.14 \times 5 \\ \hspace{19 pt} = 3.14 \times 10 \\ \hspace{19 pt} = 31.4 \: cm \\ [/tex]