# The circumference of a circle is 18.84 millimeters. What is the circle's diameter? C=18.84 mm Use 3.14 for ​𝜋.

May 7, 2018

The diameter of the circle is 6mm.

#### Explanation:

Circumference formula:
C = $\pi$d

Plug in your data:
18.84mm = 3.14(d)

Divide by 3.14 to isolate for x.

18.84mm / 3.14 = d

d = 6mm