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Verified answer
#semoga membantu -^^-= 1/2 (8+12) × 6
= 1/2(20) × 6
= 10 ×6
= 60
27. Luas alas = s²
64 = s²
s = √64
s = 8
Luas permukaan = 6s²
= 6(8)²
= 6(64)
= 384