Answer:
Use the equation A = 3.14 * r^2
Explanation:
The equation to solve this is A =
r^2
So by looking at the image the number looks like 20 so you and ill be using pi as 3.14
So here's the equation in use
A = 3.14 * 20^2 --> A = 3.14 * 400 --> A = 1256cm squared