Jawabanmu

2014-04-23T05:07:42+07:00
Pj kwt u/ kubus = (2 × K alas) + ( 4 × r) = ( 2 × 4 × 5 ) + ( 4 × 5 ) = 40+20 = 60 cm kubus yg dpt dibuat = 2m : 60 cm = 200 : 60 = 3 kubus sisa kawat = 200 - 180 = 20 cm