A cylindrical barrel has a diameter of 19.875 inches. Which of the following is the bestestimate of the circumference of the barrel in feet?

Respuesta :

Alright we know the formula for circumfruence is 2[tex] \pi [/tex]r

So you plug it in!
Note: Radius is just the diameter split in half.

2*3.14*9.9375

2*31.20375

So the circumference of the barrel is 62.4075