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Trigonometri

Authored by aryati rohim

Mathematics

12th Grade - University

CCSS covered

Used 100+ times

Trigonometri
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

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perhatikan gambar segitiga ABC di atas. Berdasarkan aturan sinus yang berlaku pada segitiga ABC tersebut, maka pernyataan berikut yang benar adalah........

a=c . sin⁡ Asin⁡ Ba=\frac{c\ .\ \sin\ A}{\sin\ B}

a=b . sin⁡ Asin⁡ Ba=\frac{b\ .\ \sin\ A}{\sin\ B}

b=a . sin⁡ Asin⁡ Bb=\frac{a\ .\ \sin\ A}{\sin\ B}

c=b . sin⁡ Bsin⁡ Cc=\frac{b\ .\ \sin\ B}{\sin\ C}

2.

MULTIPLE CHOICE QUESTION

3 mins • 12 pts

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perhatikan gambar di atas

panjang sisi AB adalah.....cm

434\sqrt{3}

464\sqrt{6}

12212\sqrt{2}

12312\sqrt{3}

3.

MULTIPLE CHOICE QUESTION

3 mins • 12 pts

Diketahui segitiga ABC. Jika  ∠A=30°, BC = 6 cm, AC = 10 cm\angle A=30\degree,\ BC\ =\ 6\ cm,\ AC\ =\ 10\ cm  , maka besar  sin⁡∠B\sin\angle B  adalah.....

 15\frac{1}{5}  

 25\frac{2}{5}  

 46\frac{4}{6}  

 56\frac{5}{6}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

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Perhatikan gambar di atas
Besar  ∠C\angle C  adalah.....

 30°30\degree  

 45°45\degree  

 60°60\degree  

 75°75\degree  

5.

MULTIPLE CHOICE QUESTION

3 mins • 12 pts

Diketahui segitiga XYZ, diketahui  XZ=2 cm, XY = 2 cm, ∠Y=30°, XZ=\sqrt{2}\ cm,\ XY\ =\ 2\ cm,\ \angle Y=30\degree,\   maka besar  ∠Z\angle Z  adalah.....

 45°45\degree  

 60°60\degree  

 105°105\degree  

 135°135\degree  

6.

MULTIPLE CHOICE QUESTION

3 mins • 12 pts

Pada segitiga KLM diketahui  ∠K=120°, ∠L=30°, KM=5cm\angle K=120\degree,\ \angle L=30\degree,\ KM=5cm  , maka panjang sisi LM adalah.......cm

 522\frac{5}{2}\sqrt{2}  

 523\frac{5}{2}\sqrt{3}  

 525\sqrt{2}  

 535\sqrt{3}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Media Image

Perhatikan gambar di atas

Nilai dari Cos C = .......

12\frac{1}{2}

122\frac{1}{2}\sqrt{2}

123\frac{1}{2}\sqrt{3}

233\frac{2}{3}\sqrt{3}

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