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Trigonometrija pravokutnog trokuta

Authored by Kristina Krka

Mathematics

9th Grade

Used 322+ times

Trigonometrija pravokutnog trokuta
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Definiraj sinus kuta.

nasuprotna kateta/ priležeća kateta

priležeća kateta/ hipotenuza

nasuprotna kateta/ hipotenuza

priležeća kateta/ nasuprotna kateta

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Odredi x ako je  sin 55°=22.3x\sin\ 55\degree=\frac{22.3}{x}  

18.27

26.86

27.22

0.037

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Koji od danih izraza ćemo koristiti da odredimo "y"?

y = sin–1(31/23)

y = tan–1(23/31)

y = cos–1(31/23)

y = tan–1(31/23)

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Koju trigonometrijsku funkciju ćemo koristiti da odredimo visinu stabla sa slike?

kosinus

sinus

tangens

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Odredi duljinu dužine WI

7.81

7.88

6.16

12.69

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Odredi kut u vrhu W?

14°2814\degree28'

14°214\degree2'

75°5775\degree57'

55°3855\degree38'

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Izračunaj visinu litice (zaokruži na cijeli broj)

69 metara

120 metara

98 metara

84 metara

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