Respuesta :

Answer:

C≈6.28mm

Step-by-step explanation:

C=2πr

= 2·π·1≈6.28319mm

Answer:

6.283 mm

Step-by-step explanation:

the equation for circumference is 2[tex]\pi[/tex]r

if the radius is 1 then insert it

c=2[tex]\pi[/tex](1)

c=6.283 mm