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Perbandingan sudut dalam segitiga siku-siku

Authored by ema 1111

Mathematics

10th Grade

Perbandingan sudut dalam segitiga siku-siku
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10 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Manakah pernyataan berikut yang salah ....


cosα=sampingmiring\cos\alpha=\frac{samping}{miring}

tanα=depansamping\tan\alpha=\frac{depan}{samping}

cotanα=sampingmiring\operatorname{cotan}\alpha=\frac{samping}{miring}

sinα=depanmiring\sin\alpha=\frac{depan}{miring}

cosecα=miringdepan\operatorname{cosec}\alpha=\frac{miring}{depan}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Perhatikan gambar di atas!
Pernyataan berikut ini benar, kecuali ....

sinα=BCAB\sin\alpha=\frac{BC}{AB}

sinβ=ACAB\sin\beta=\frac{AC}{AB}

cosα=ACAB\cos\alpha=\frac{AC}{AB}

cosβ=BCAC\cos\beta=\frac{BC}{AC}

tan α=BCAC\tan\ \alpha=\frac{BC}{AC}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Nilai sinα\sin\alpha adalah .... 


 15\frac{1}{5}  

 35\frac{3}{5}  

 53\frac{5}{3}  

 54\frac{5}{4}  

 45\frac{4}{5}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Nilai dari cos  θ\theta  adalah...

 2029\frac{20}{29}  

 2129\frac{21}{29}  

 2921\frac{29}{21}  

 2920\frac{29}{20}  

 2021\frac{20}{21}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Perhatikan gambar di atas. Segitiga ABC siku-siku di C . Pernyataan berikut ini benar, kecuali ⋯⋅⋯⋅

sinα=BC/AB

sinβ=AC/AB

cosα=AC/AB

cosβ=BC/AC

tanα=BC/AC

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Nilai dari cotan  R\angle R  adalah...

 941\frac{9}{41}  

 4041\frac{40}{41}  

 4140\frac{41}{40}  

 409\frac{40}{9}  

 940\frac{9}{40}  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Panjang AC pada segitiga ABC di atas adalah ....

20

17

19

21

18

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