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Verified answer
Kelas 11 MatematikaBab Trigonometri Lanjut
Kata Kunci : Aturan Sinus
∠B = 30°
∠C = 45°
b/sin B = c/sin C
(12√6)/sin 30° = c/sin45°
c = (12√6) . (1/2 √2) / (1/2)
c = 12√12
c = 12 . √4 . √3
c = 12 . 2 √3
c = 24√3 cm