Penjelasan dengan langkah-langkah:
∆ sama sisi, s = 6
Luas = (6/2)²√3
luas prisma ∆
= 2 x 9√3 + 3x6x10
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Penjelasan dengan langkah-langkah:
∆ sama sisi, s = 6
Luas = (6/2)²√3
Luas = 9√3
luas prisma ∆
= 2 x 9√3 + 3x6x10
= (18√3 + 180) cm²