Respuesta :

Known :

radius = 3 units

Asked :

Circumference = ...?

Answer :

C = 2πr

= 2 × 3.14 × 3

= 18.84 units

So, the circumference of a circle is 18.84 units

Hope it helpful and useful :)

The circumference = 18.86cm

Explanation:
The formula for circumference of a circle =2πr
The radius =3cm
(assuming units to be in cm)

2πr= 2×22/7×3= 132/7 =18.86cm