Tolong jawab no 28 pilss

L. alas
= 1/2 × 12 × 5
= 1/2 × 60
= 30 cm^2

Volume prisma segitiga
= luas alas × tinggi prisma
= 30 × 18
= 540 cm^3 ✔

Rumus volume prisma tegak segitiga = alas x tinggi prisma
= 12 x 5 x 1/2
= 6 x 5
= 30 Cm²
= 30 x 18
= 540 Cm^3 ( C )

Semoga Membantu

Maaf Kalau Salah