The diagram above shows a regular pentagon, octagon and decagon inscribed in a circle. As the number of sides of the polygon, n, increases, what does n·b approach?

As n→∞, n·b→

A. 2πr
B. 2π
C. πr
D. πr²

The diagram above shows a regular pentagon octagon and decagon inscribed in a circle As the number of sides of the polygon n increases what does nb approach As class=