Equal to the area. Area of circle is [tex] \pi r^2[/tex] This equals to [tex] 4 \pi [/tex] due to 2^2. Circumference is [tex]2 \pi r[/tex] This equals to [tex]2 \pi (2)[/tex] When you multiply the 2 and the radius together, they equal to 2^2. Which results to [tex]4 \pi [/tex]
