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= s/2√3 = 16/2√3 = 8√3
luas satu buah segitiga
= 1/2 x a x t
1/2 x 16 x 8√3
64√3
luas permukaan
= 4 x 64√3
256√3cm² (A)
Jawab : tinggi segitiga = s/2√3 = 16/2√3 = 8√3
luas satu buah segitiga = 1/2 x a x t
= 1/2 x 16 x 8√3
= 64√3
luas permukaan
= 4 x 64√3
= 256√3cm² Jawabannya (A)