Jawabanmu

2014-09-06T20:32:37+07:00
Jawaban paling cerdas!
2014-09-06T20:32:59+07:00
AC = 28

AC = ( AB : BC )
AB : BC = 1 : 3
maka BC =
28
AB = 1/4 x 28 = 7
BC = 3/4 x 28 = 21
makaa bc adalah 21
2 5 2