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12 = s√3
s =
s =
s = 4√3 cm
d = 4√3 cm
r = 2√3 cm
L bola = 4πr²
= 4×3,14×2√3×2√3
= 13,56×12
= 162,72 cm²
jadi luas bola terbesar adalah 162,72 cm²
smoga dijadikan yg terbaik.