what is the circumference of a circle if the radius is 4?

Answer:
25.1cm
Step-by-step explanation:
since circumference =[tex]\pi[/tex]d and d=2r
c=[tex]\pi[/tex](2*4)
c=8[tex]\pi[/tex]
c=25.132741229
c=25.1cm
Answer:
90.8
Step-by-step explanation:
cercumference=πD
r=2×D
C=90.8