According to this chart, the area of a circle with a diameter of <span>2.2 m is
area=(pi)(r)^2=</span><span><span>(pi)(d/2)^2</span>
= (pi)(2.2/2)^2
= 1.21 (pi) m^2</span>
area=(pi)(r)^2=</span><span><span>(pi)(d/2)^2</span>
= (pi)(2.2/2)^2
= 1.21 (pi) m^2</span>