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Luas Permukaan Prisma.
Lp = a × t + (a + t + s) × tp
Lp = 18 × 24 + (18 + 24 + 30) × 20
Lp = 432 + 72 × 20
Lp = 432 + 1.440
Lp = 1.872 m²
Luas Alas.
L = 1/2 × alas × tinggi
L = 1/2 × 18 m × 24 m
L = 18 m × 12 m
L = 180 + 36
L = 216 m²
Volume Prisma.
V = luas alas × tinggi prisma
V = 216 × 20
V = 4.320 m³
Materi : Bangun Ruang Sisi Datar
1) Luas Permukaan Prisma
Lp = a × t + ( a + t + s ) × tp
Lp = 18 × 24 + ( 18 + 24 + 30 ) × 20
Lp = 432 m² + 72 m × 20 m
Lp = 432 m² + 1.440 m²
{ Lp = 1.872 m² }
2) Luas Alas Prisma
L = ½ × alas × tinggi
L = ½ × 18 m × 24 m
L = 18 m × 12 m
L = 180 m² + 36 m²
{ L = 216 m² }
3) Volume Prisma
V = luas alas × tinggi prisma
V = 216 m² × 20 m
{ V = 4.320 m³ }
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