Question

What will be the circumference when the diameter is 4.2 CM

Answer 1

Answer:

13.2 is the answer

Step-by-step explanation:

perimeter or circumference is 2 pi r

=2*22/7*4.2/2

=44*0.3

13.2

Answer 2

Step-by-step explanation:

when diameter is 4.2 cm,

Radius = 4.2/2 = 2.1 cm

circumference = 2pieR

= 2 X 22/7 X 21/10

= 13.2 cm