Jawabanmu

2014-04-20T06:26:34+07:00
1. 2(pl+pt+lt)
   2(6.5+6.4+5.4)
   2(30+24+20)
   2(74)
   148
2.2(pl+pt+lt)
   2(8.7+8.4+7.4)
    2(56+32+28)
   2(116)
   232

37: 58
  

1 4 1
2014-04-20T06:32:05+07:00
BaLok ke1 = 6 x 5 x 4 cm
baLok ke2 = 8 x 7 x 4 cm

Lp= 2(pL+Lt+pt)

Lp1 : Lp2
2[(6x5)+(5x4)+(6x4)] : 2[(8x7)+(7x4)+(8x4)]
2(30+20+24) : 2(56+28+32)
148 : 232
37 : 58