How to find the area of a circle
Practice Questions
Basic Geometry › How to find the area of a circle
If the diameter of the circle below is 
A square with a side length of 4 inches is inscribed in a circle, as shown below. What is the area of the unshaded region inside of the circle, in square inches?
Find the area of a circle that has a radius of 
If a rectangle with a diagonal of 
A circle has a radius of 
If the diameter of the circle below is 
If a rectangle with a diagonal of 
Find the area of the circle with the given diameter.
A circle is inscribed in a square that has side lengths of 