Respuesta :

Answer:

42.73

Step-by-step explanation:

2*pi*r = 2*pi*6.8=42.73

Answer:

42.7

Step-by-step explanation:

Formula for Circumference of a circle is C=2πr

π=3.14

radius/r=6.8

C= 2*3.14*6.8

C=42.704

Round to 42.7