the area of a circle with a radius of 3cm is closest to 18.85cm2, 28.27cm2, 9.42cm2, 113.10cm2, 31.42cm2
+36916 Area of a circle = pi r^2
pi (3^2) = 9pi using pi ~ 3.14 9pi = 28.26 cm2
+36916 Area of a circle = pi r^2
pi (3^2) = 9pi using pi ~ 3.14 9pi = 28.26 cm2
