10-Day Green Smoothie Cleanse: Lose Up to 15 Pounds in 10 Days!

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Matematika tentukan luas permukaan prisma berikut ini
alas prisma trapesium​

tentukan luas permukaan prisma berikut ini
alas prisma trapesium​

Materi : Bangun Ruang dan Volume

Sisi miring alas

s² = a² + t²

s² = 3² + 4²

s² = 9 + 16

s² = 25

s = √25

{ s = 5 cm }

Luas Permukaan Prisma Trapesium

Lp = ( s¹ + s² ) × t + ( s¹ + s² + 2s ) × tp

Lp = ( 12 + 18 ) × 4 + ( 12 + 18 + 10 ) × 8

Lp = 30 × 4 + 40 × 8

Lp = 120 cm² + 320 cm²

Lp = 540 cm²

Semoga bisa membantu

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