Jawabanmu

2014-08-30T16:20:28+07:00
4/10=6/6+x
24+4x=60
4x=60-24
x=36:4
x=9cm=BE

CB=9+6=15cm

1 5 1
2014-08-30T17:02:48+07:00
Misal EB = x dan BC = 6 + x

a. 6/6+x = 4/10
6 +x= 6 . 10 : 4
6+ x = 15
x = 9
Maka CB = EB + EC = 9 + 6 = 15 cm

b. EB = 9 cm