Jawabanmu

Jawaban paling cerdas!
2014-04-08T22:58:50+07:00
No. 19
sisi kubus a= a
sisi kubus b= b
6a^2 : 6 b^2 = 1 : 9
a^2 : b^2 = 1 : 9
a : b = 1 : 3
Va : Vb = a^3 : b^3 = 1 : 27

2014-04-09T02:53:42+07:00
11. ) K = 12 . s 12. 11 132 cm total = 132 . 5kubus 660 sisa = 664 - 660 = 4 cm