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rumus luas segitiga pakai aturan trigonometri

Authored by Beny Andari

Mathematics

University

Used 10+ times

rumus luas segitiga pakai aturan trigonometri
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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\sqrt{2}  

 433\frac{4\sqrt{3}}{3}  

 343\frac{3}{4}\sqrt{3}  

 342\frac{3}{4}\sqrt{2}  

 3\sqrt{3}  

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 ⋯

12\frac{1}{2}

23\frac{2}{3}

34\frac{3}{4}

45\frac{4}{5}

56\frac{5}{6}

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