Jawabanmu

2014-04-13T13:09:55+07:00
Lp= (1/2×a×t×2)+(kΔ× T prisma)
   = (1/2×8×4√3×2)+(24×15)
   = (32√3+ 360) cm²
   =(360+32√3) cm²
jawabannya C