Question

The limit of the perimeter of the regular n-gons inscribed in a circle of radius R as $n \rightarrow \infty$ is.

• A. $2 \pi R$
• B. $\pi R$
• C. $4 R$
• D. $\pi R ^ { 2 }$

Answer 1

Answer: (A)

$2 \pi R$

Answer 2

As $n \rightarrow \infty$ polygon becomes a circle and perimeter of circle $= 2 \pi R$