Tolong dong says gk ngerti

semoga membaantu
GOODLUCK! GBu

keliling = 2 x phi x r
220             = 2 x 22/7 x r
44/7 r = 220
44r = 220 x 7 = 1540
r = 1540 : 44 = 35 cm

luas =  phi x r x r
        = 22/7 x 35 x 35
        = 22 x 5 x 35 = 3850 cm²

jadi jawabannya = A. 3850 cm²

semoga membantu ^-^