Jawabanmu

2014-05-06T15:00:56+07:00
AB = 10, BC = 9, dan BAC = 60 derajat
AB/BC=BAC/X
10/9 = 60/x
x = 60.9/10
x = 36 derajat

sisi AC sudut 180-60-36=84 derajat
AC/AB = ACB/BAC
AC/10 = 84/60
AC = 84.10/60
AC = 14 cm.......... yeyeye lalala