Respuesta :

Answer:

what is the unit of the radius

Step-by-step explanation:

it is 2 pi r

so 2×3.14×1

=6.2831

Answer:

6.28 units

Step-by-step explanation:

[tex]\boxed{circumference \: of \: circle =2 \pi r}[/tex]

Given that r= 1,

circumference of circle

= 2(3.14)(1)

= 6.28 units