no 29 30 pkek cara ya

1.
bangun 1 = px l xt
6 x 4 x 9
216
bangun 2 = 1/3 x la x t
1/3 x 24 x 6
48

b1 + b2 = 216 + 48 = 264

2.1/3 x 12 x 8 x 5
12x 8 x 5
ーーーー
2
160 l