tolong isi 13 dan14 ..ane kasih pulsa 5000 plis bantu

13.od2=cd2+oc2
=(24*24)+(7*7)
=576+49
=625
od=akar 625
=25 cm (c)
14.L.j OAD=120*60/80
=7200/80
=90 cm2 (a)