Materi : Bangun Ruang Sisi Datar
Lp = a × t + ( a + t + s ) × tp
Lp = 12 × 5 + ( 12 + 5 + 13 ) × 20
Lp = 60 cm² + 30 cm × 20 cm
Lp = 60 cm² + 600 cm²
{ Lp = 660 cm² }
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Materi : Bangun Ruang Sisi Datar
Luas Permukaan Prisma Segitiga
Lp = a × t + ( a + t + s ) × tp
Lp = 12 × 5 + ( 12 + 5 + 13 ) × 20
Lp = 60 cm² + 30 cm × 20 cm
Lp = 60 cm² + 600 cm²
{ Lp = 660 cm² }
Semoga bisa membantu