33. The figure below shows square OABC and also shows the circle centered at O with radii OC and OA. If the area the square is 36 square units, what is the area of the circle, in square units?

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

It can be known from the title: the area of ​​the square OABC is 36, and the length of OC is 6, that is to say, the radius of the circle is 6, so the area of ​​the circle is S=πr²=36π.