The circumference is __

Answer:
As we know that there is a radius which is 2 cm
so
circumference = 2 π r
= 2 * 22/7 * 2
= 12.57cm
it's circumference is 12.57 cm
C=4(pi)
Step-by-step explanation:
formula is C=2(pi)r
there’s no key for pi so insert the symbol where the (pi) is