Jawabanmu

2014-08-21T18:09:20+07:00
*TA = Tinggi Asli
  B  = Bayangan

TA : B = 2 : 1.5 = 4 : 3

- TA = 30 m
- B   = ?

30 : 4 x 3 = 7.5 x 3 = 22.5 m