Jawabanmu

2014-05-04T13:49:12+07:00
Jawaban paling cerdas!
2014-05-04T13:51:08+07:00
EF= (DC x FB) + (CF X AB)
14 = (16 X 2) + (3 X AB)
14 =  32 + 3AB
3AB = 32-14 
3AB = 18
AB = 18/3
AB = 6 cm
1 5 1