Bantu ya nomor 27 & 28 PAKAI CARA

27)
V prisma
= L alas × t
= ( 32 × 15 ) × t
= 480 × 20
= 9.600 cm³

Jawabannya D

28)
L permukaan balok
= 2 × ( pl + pt + lt )
= 2 × ( 24.15 + 24.18 + 15.18 )
= 2 × ( 360 + 432 + 270 )
= 2 × ( 1062 )
= 2124 cm²

Semoga membantu