Carilah luas permukaan Prisma persegi panjang yang diketahui luas 56 cm² lebar 8 cm dan tinggi 30 cm
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Materi : Bangun Ruang Sisi Datar
Lp Prisma Persegi Panjang
Lp = 2( pl + pt + lt )
Lp = 2( 7.8 + 7.30 + 8.30 )
Lp = 2( 56 cm² + 210 cm² + 240 cm² )
Lp = 2( 56 cm² + 450 cm² )
Lp = 2( 506 cm² )
Lp = 1.012 cm²
Semoga bisa membantu
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