The circumference of the circle is 396m. Find the area of the circle

circumference =2 *  22/7 * r
396 = 2* 22/7 * r
396 = 44/7 * r
r = 396*7/44
r = 9*7
r=63

area = 22/7 * r *r
area = 22/7 * 63*63
area = 22/1 * 9 * 63
area = 12474 m sq