Jawabanmu

2014-05-09T18:03:39+07:00
1. volume balok tsb =
  p x l x tinggi air =
70 m x 65 m x 0.3 m = 1365 m³
= 1365000 liter

2. luas alas = 6 + 8
                       4
= 8 cm²
 
volume = 1x8 cm² x 15
              3
= 40 cm³