Diketahui segitiga KLM K L = 6 c m KL=6\ cm K L = 6 c m , K M = 4 c m KM=4\ cm K M = 4 c m dan ∠ L K M = 6 0 ∘ \angle LKM=60^{\circ} ∠ L K M = 6 0 ∘ maka panjang L M LM L M adalah ....

2 7 2\sqrt{7} 2 7 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

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7 2 7\sqrt{2} 7 2 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

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3 7 3\sqrt{7} 3 7 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Pada segitiga PQR P Q = 5 c m PQ=5\ cm P Q = 5 c m , P R = 6 c m PR=6\ cm P R = 6 c m dan Q R = 7 c m QR=7\ cm Q R = 7 c m . Dengan demikian nilai cos ⁡ ∠ P \cos\angle P cos ∠ P adalah ....

12 120 \frac{12}{120} 1 2 0 1 2

Aturan Cosinus

Authored by devinur faizah

Mathematics

10th Grade

Used 143+ times

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10 questions

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MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui segitiga KLM $KL=6\ cm$ , $KM=4\ cm$ dan $\angle LKM=60^{\circ}$ maka panjang $LM$ adalah ....

$7\sqrt{3}$

$7\sqrt{2}$

$4\sqrt{3}$

$3\sqrt{7}$

$2\sqrt{7}$

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Pada segitiga PQR $PQ=5\ cm$ , $PR=6\ cm$ dan $QR=7\ cm$ . Dengan demikian nilai $\cos\angle P$ adalah ....

$\frac{12}{60}$

$\frac{12}{120}$

$\frac{60}{84}$

$\frac{70}{84}$

$\frac{38}{70}$

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui segitiga KLM dengan $KM\ =6\ cm$ , $LM=3\sqrt{3}\ cm$ dan $KL==3\ cm$ . Dengan demikian nilai $\angle L$ adalah ....

$30^{\circ}$

$45^{\circ}$

$60^{\circ}$

$75^{\circ}$

$90^{\circ}$

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui segitiga ABC dengan AB = 7 cm, BC = 5 cm, dan AC = 6 cm. Nilai sin ∠BAC=...

5/7

2/7 √6

24/49

2/7

1/7 √6

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui segitiga ABC dengan AB = c , BC = a dan AC = b. Pernyataan berikut yang benar adalah ....

$a^2\ =\ b^2\ +c^2-bc\ \cos\ A$

$a^2=b^2+c^2-2bc\ \cos\ A$

$a^2=b^2+b^2-abc\ \cos\ A$

$a^2=b^2+b^2+bc\ \cos\ A$

$a^2=b^2+c^2+2bc\ \cos\ A$

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui segitiga ABC dengan AB = 6 cm, AC = 3 cm dan sudut A = 60^o. Panjang BC = .... cm.

$4\sqrt{3}$

$3\sqrt{3}$

$2\sqrt{3}$

$\sqrt{3}$

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

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui ∆ PQR dengan PQ = 12 cm, PR = 4 cm, dan sudut P = 120^o. Panjang QR = .... cm.

$4\sqrt{13}$

$3\sqrt{13}$

$2\sqrt{13}$

$\sqrt{13}$

$\frac{1}{2}\sqrt{13}$

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

jika b = 2 cm, c = 3 cm dan sudut A = 60^o maka panjang a adalah...

$\sqrt{2}$

$\sqrt{3}$

$\sqrt{5}$

$\sqrt{7}$

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui segitiga ABC dengan panjang a = 3 cm, b = 4 cm dan c = 2 cm. Nilai cos A adalah...

$\frac{11}{16}$

$\frac{7}{16}$

$\frac{5}{16}$

$\frac{3}{16}$

10.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika pada segitiga ABC panjang sisi a = 4 cm, panjang sisi b = 5 cm dan panjang sisi c = 4 cm, maka besar $\angle\ A$ adalah...

$30\degree$

$45\degree$

$60\degree$

$90\degree$

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Aturan Cosinus

Diketahui segitiga KLM KL=6 cmKL=6\ cmKL=6 cm , KM=4 cmKM=4\ cmKM=4 cm dan ∠LKM=60∘\angle LKM=60^{\circ}∠LKM=60∘ maka panjang LMLMLM adalah ....

Pada segitiga PQR PQ=5 cmPQ=5\ cmPQ=5 cm , PR=6 cmPR=6\ cmPR=6 cm dan QR=7 cmQR=7\ cmQR=7 cm . Dengan demikian nilai cos⁡∠P\cos\angle Pcos∠P adalah ....

Diketahui segitiga KLM dengan KM =6 cmKM\ =6\ cmKM =6 cm , LM=33 cmLM=3\sqrt{3}\ cmLM=33​ cm dan KL==3 cmKL==3\ cmKL==3 cm . Dengan demikian nilai ∠L\angle L∠L adalah ....

Diketahui segitiga ABC dengan AB = 7 cm, BC = 5 cm, dan AC = 6 cm. Nilai sin ∠BAC=...

Diketahui segitiga ABC dengan AB = c , BC = a dan AC = b. Pernyataan berikut yang benar adalah ....

Diketahui segitiga ABC dengan AB = 6 cm, AC = 3 cm dan sudut A = 60o. Panjang BC = .... cm.

Diketahui ∆ PQR dengan PQ = 12 cm, PR = 4 cm, dan sudut P = 120o. Panjang QR = .... cm.

jika b = 2 cm, c = 3 cm dan sudut A = 60o maka panjang a adalah...

Diketahui segitiga ABC dengan panjang a = 3 cm, b = 4 cm dan c = 2 cm. Nilai cos A adalah...

Jika pada segitiga ABC panjang sisi a = 4 cm, panjang sisi b = 5 cm dan panjang sisi c = 4 cm, maka besar ∠ A\angle\ A∠ A adalah...

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Popular Resources on Wayground

Discover more resources for Mathematics

Diketahui segitiga KLM $KL=6\ cm$ , $KM=4\ cm$ dan $\angle LKM=60^{\circ}$ maka panjang $LM$ adalah ....

Pada segitiga PQR $PQ=5\ cm$ , $PR=6\ cm$ dan $QR=7\ cm$ . Dengan demikian nilai $\cos\angle P$ adalah ....

Diketahui segitiga KLM dengan $KM\ =6\ cm$ , $LM=3\sqrt{3}\ cm$ dan $KL==3\ cm$ . Dengan demikian nilai $\angle L$ adalah ....

Diketahui segitiga ABC dengan AB = 6 cm, AC = 3 cm dan sudut A = 60^o. Panjang BC = .... cm.

Diketahui ∆ PQR dengan PQ = 12 cm, PR = 4 cm, dan sudut P = 120^o. Panjang QR = .... cm.

jika b = 2 cm, c = 3 cm dan sudut A = 60^o maka panjang a adalah...

Jika pada segitiga ABC panjang sisi a = 4 cm, panjang sisi b = 5 cm dan panjang sisi c = 4 cm, maka besar $\angle\ A$ adalah...