Diketahui = kll = 88cm pi = 22/7 ditanya = luas?

K = 88
2.phi.r = 88
2.22/7.r = 88
44/7.r = 88
r = 88:44/7
r = 88.7/44
r = 14 cm

L = phi.r^2
L = 22/7.14^2
L = 616 cm2