Respuesta :

jzonfleek016

Step-by-step explanation:

[tex]Circumference = d\pi[/tex]

[tex]Circumference = (18) \pi[/tex]

[tex]Circumference = 56.52[/tex]

The circumference of the circle is 56.52 km which is letter choice B.

mohammedsinanmunaj

Answer:

56.52 km

Step-by-step explanation:

circumference of circle =2πr or dπ

d×π=18×3.14=56.52 km

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