Answer:
A = πr²
Explanation:
The area of a circle is equal to A = πr²
π = 3.14159 ...
-> it is a value that goes on forever, most calculators will have a button for this, it is called "Pi" or "π"
r = the radius
-> this is the distance of half the width of the circle. You can see the parts of a circle attached
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather