
rumus luas segitiga pakai aturan trigonometri
Authored by Beny Andari
Mathematics
University
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3 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Diketahui △ A B C dengan panjang sisi a = 4 cm , ∠A = 120° , dan ∠B = 30°. Panjang sisi c = ⋯ ⋅
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika panjang sisi-sisi segitiga A B C berturut-turut adalah AB = 4 cm , BC = 6 cm , dan AC = 5 cm , sedangkan ∠ B A C = α , ∠ A B C = β , dan ∠ B C A = γ , maka sin α : sin β : sin γ = ⋯ ⋅
A. 4 : 5 : 6
B. 5 : 6 : 4
C. 6 : 5 : 4
D. 4 : 6 : 5
E. 6 : 4 : 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Panjang sisi-sisi pada △ A B C berbanding 6 : 5 : 4 . Cosinus sudut yang terbesar dari segitiga tersebut adalah ⋯
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