Jawabanmu

2014-09-04T15:59:53+07:00
CF² = AF X FE

AE² = AD² - 3²

AF = AE - FE 
FE = AE - AF
1 4 1
Jawaban paling cerdas!
2014-09-04T16:03:11+07:00
CF = (AB x DE) / (AB + DE)
CF = (6 x 3) / (6 + 3)
CF = 18 / 9
CF = 2
2 5 2