Quiz about ATURAN SINUS

Question 1

Diketahui $$\Delta PQR\ $$ dengan panjang sisi p = 5 cm, dan $$\angle P=60\degree$$ , dan $$\angle Q=30\degree$$ . panjang sisi r adalah...

Accepted Answer

$$10\ \sqrt[]{3}$$

Answer

$$9\ \sqrt[]{3}$$

Answer

$$10\ \sqrt[]{2}$$

Answer

$$8\ \sqrt[]{3}$$

Answer

$$9\ \sqrt[]{2}$$

Question 2

Pada $$\Delta JKL,$$ diketahui $$\sin L=\frac{1}{2},\ \sin J=\frac{5}{2},\ dan\ JK=8\ cm.$$ panjang KL adalah

Accepted Answer

40

Answer

39

Answer

41

Answer

39,5

Answer

40,5

Question 3

Perhatikan gambar $$\Delta KLM$$ di samping

Jika $$\angle K\ 45\degree$$ dan $$\angle L\ 60\degree$$ , maka perbandingan panjang $$LM$$ dan KM adalah....

Accepted Answer

$$\sqrt[]{2}\ :\ \sqrt[]{3}$$

Answer

$$3\ :\ 4$$

Answer

$$4\ :\ 3$$

Answer

$$\sqrt[]{3}\ :\ 2\ \sqrt[]{2}$$

Answer

$$\sqrt[]{3}\ :\ \sqrt[]{2}$$

Question 4

Pada $$ abla KLM$$ , diketahui $$\left(l+m ight)\ :\ \left(m+k ight)\ :\ \left(k+l ight)\ =\ 4\ :\ 5\ :\ 6$$ . Nilai $$\sin K\ :\sin L\ :\sin M\ =....$$

Accepted Answer

$$7\ :\ 5\ :\ 3$$

Answer

$$3\ :\ 5\ :\ 7$$

Answer

$$7\ :\ 3\ :\ 5$$

Answer

$$4\ :\ 5\ :\ 6$$

Answer

$$6\ :\ 5\ :\ 4$$

Question 5

Jika panjag sisi-sisi segitiga ABC berturut-turut adalah $$AB=4\ cm,\ BC=6\ cm,\ dan\ AC=5\ cm$$ , sedangkan $$\angle ABC=\gamma,\ \angle BAC=\beta,\ dan\ \angle BCA=\alpha.\ Maka\ \sin\gamma\ :\ \sin\beta\ :\sin\alpha\ =.....$$ =...

Accepted Answer

$$4\ :\ 5\ :\ 6$$

Answer

$$5\ :\ 6\ :\ 4$$

Answer

$$6\ :\ 5\ :\ 4$$

Answer

$$4\ :\ 6\ :\ 5$$

Answer

$$6\ :\ 4\ :\ 5$$

Question 6

Pada segitiga ABC diketahui $$a+b\ =\ 10,\ \angle A\ =\ 30\degree,\ \angle B\ =\ 45\degree.\ Panjang\ sisi\ b\ adalah..cm$$

Accepted Answer

$$20-10\ \sqrt[]{2}$$

Answer

$$20+10\ \sqrt[]{2}$$

Answer

20-10

Answer

$$20-10\ \sqrt[]{3}$$

Answer

$$10-20\ \sqrt[]{2}$$

Question 7

Pada segitiga ABC diketahui sisi a = 4, sisi b = 6 dan $$\angle B=45\degree.\ Nilai\ \cos inus\ \angle A\ adalah...\degree$$

Accepted Answer

$$\frac{1}{3}\ \sqrt[]{7}$$

Answer

$$\sqrt[]{7}$$

Answer

$$\frac{3}{1}\ \sqrt[]{7}$$

Answer

$$\frac{1}{7}\ \sqrt[]{3}$$

Answer

$$-\frac{1}{3}\ \sqrt[]{7}$$

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