Answer:
Need to know how to find the area of a circle? This is a common geometry problem and figuring out the answer is pretty easy. In most cases, you can use the simple formula {\displaystyle A=\pi r^{2}}A=\pi r^{2}. If you don't know the radius, don't worry! We'll help you solve for the area no matter what info you're given, thanks to some of our other formulas. Read on to learn how to calculate the area of a circle using the radius, diameter, circumference, or even a sector of a circle.