Question

If a regular hexagon is inscribed in a circle of radius $r$, what is its perimeter?

• A. $3r$
• B. $6r$
• C. $9r$
• D. $12r$

Answer 1

Answer: (B)

$6r$

A regular hexagon is polygon whose all sides are equal and it has been made of six equilateral triangle. Now, if a regular hexagon is inscribed in a circle then its side is equal to the radius of circle. Hence, the perimeter of regular hexagon $=6r$.