Question 718975
Area of outer circle - area of inner circle = area of driveway

outer radius =220/2 = 110

inner radius = 200/2= 100

pi*r1^2-pi*r2^2

pi*(r1^2-r2^2)

pi*(110^2-100^2)

pi*(12100-10000)

pi*2100

=6594 sq.ft