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8. c
9. d
Semoga mebantu
=> Sisi Prisma Segi 6 = n+2 = 6 + 2 = 8 Buah
=> Titik sudut Prisma Segi 6 = 2n = 2.6 = 12 Buah
=> Rusuk Prisma Segi 6 = 3n = 3.6 = 18 Buah (C.)
8.) Diagonal ruang balok = √p² + l² + t²
= √24² + 8² + 6²
= √576 + 64 + 36
= √676
= 26 cm (C.)
9.) Luas Permukaan Kubus = 6S²
96 = 6S²
S² = 96 / 6
= 16
S = √16
= 4 cm (D.)