Question

The circumference of a circle with radius $r$, is

• A. $2\pi r$
• B. 2$\pi r^2$
• C. $\pi r$
• D. $\pi r^2$

Answer 1

The correct option is A $2\pi r$

The circumference of a circle is given as $2\pi r$, where $r$ is the radius of the circle.