Tolong dong!sama caranya ya!jangan sampai salah!tolong menolong penting lhoo!!
28. 16 X 16 X 6 = 1.536 (C)
29. 22/7 X 14 X 14 X 20 = 12320 (B)
30. V kubus = S X S X T = 32 X 12 X 20 = 7680
V prisma = L alas (segitiga = alas X tinggi : 2) X tinggi
= (6 X 20 : 2) X 32
= 60 X 32
= 192
V bangunan = V kubus + V prisma
= 7680 + 192
= 7872