Jawabanmu

2014-05-14T08:05:22+07:00
La =  \frac{d1.d2}{2}  \\ =  \frac{32.24}{2}  \\ =384

Lp = 2.La+Ka.t
    = 2.384+ 4.20 . 60
    = 768+ 4800
    = 5568