Answer:
530.93 OR 530.9
Explanation:
Since we know what the radius is 13 we replace R with 13 in the formula form area of a circle. area =

So now we multiply 13 squared or 13 x 13 which equals 169
Now we multiply pi and 169 which gives us 530.929 depending on what number you should round to give us our answer.
530.93
530.9