Tolong yaa bantu...........

dik : OB = r = 14 cm
        <A)B = 108
jb : A. L lingkaran = phi dikali r kuadrat = 22/7 x 14 x 14 = 616 cm kuadrat

B. Kllng lingkaran = 2 dikali phi dikali r = 2 x 22/7 x 14 = 88 cm

C. L juring = 108/360 x L = 108/360 x 616 = 184,8 cm kuadrat

D. panjang busur = 108/360 x Kllng = 108/360 x 88 = 26,4 cm