Answer:
Area= π(R^2-r^2)
Step-by-step explanation:
Although I can't find the attached file
Let the radius of the large circle be R
And the radius of the small circle be r
Area of large circle is
Area= πR^2
Area of small circle is
Area= πr^2
The difference is
Area= πR^2- πr^2
Area= π(R^2-r^2)
