How do you find the circumference and area of a circle with radius of 5 centimeters?

Oct 5, 2015

The circumference is $10 \setminus \pi$, the area is $25 \setminus \pi$.

Explanation:

You just need to apply the definitions: the circumference is $2 \setminus \pi \cdot r$, where $r$ is the radius. In your case, $2 \pi \cdot 5 = 10 \setminus \pi$.

On the other hand, the area is $\pi \cdot {r}^{2}$, in your case $\pi \cdot 25$.