Jawabanmu

2014-05-21T21:06:33+07:00
LP = 6 x 6 + 4 x ( \frac{1}{2} x 6 x 9)
LP = 36 + 27 x 4 
LP = 36 + 108
LP = 144cm 

Semoga Benar ^^
1 4 1