Respuesta :

given:

radius= 18 miles

to find:

the circumference of the circle.

solution:

[tex]c = 2\pi \: r[/tex]

[tex]c = 2 \times 3.14 \times 18[/tex]

[tex]c = 113.04[/tex]

[tex]c = 113\: miles[/tex]

hence, the circumference of the circle is 113 miles.

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