Respuesta :

Answer:

You can see that

2

π

radians becomes one revolution when you use the arc length formula:

s

=

r

θ

Let

θ

=

2

π

. That means:

s

=

C

=

2

π

r

which is the formula for the full circumference of a circle. Since

2

π

radians is one revolution:

16

rev

×

(

2

π

rad

1

rev

)

=

32

π

rad

Step-by-step explanation: